20798230908

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{7537}}^1$

素因数の和:7609

約数の個数: 216

約数和(自身を含む): 64171476432

約数和(自身を除く): 43373245524

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 49, 52, 57, 76, 78, 84, 91, 98, 114, 133, 147, 156, 182, 196, 228, 247, 266, 273, 294, 361, 364, 399, 494, 532, 546, 588, 637, 722, 741, 798, 931, 988, 1083, 1092, 1274, 1444, 1482, 1596, 1729, 1862, 1911, 2166, 2527, 2548, 2793, 2964, 3458, 3724, 3822, 4332, 4693, 5054, 5187, 5586, 6916, 7537, 7581, 7644, 9386, 10108, 10374, 11172, 12103, 14079, 15074, 15162, 17689, 18772, 20748, 22611, 24206, 28158, 30148, 30324, 32851, 35378, 36309, 45222, 48412, 52759, 53067, 56316, 65702, 70756, 72618, 90444, 97981, 98553, 105518, 106134, 131404, 143203, 145236, 158277, 195962, 197106, 211036, 212268, 229957, 286406, 293943, 316554, 369313, 391924, 394212, 429609, 459914, 572812, 587886, 633108, 685867, 689871, 738626, 859218, 919828, 1002421, 1107939, 1175772, 1371734, 1379742, 1477252, 1718436, 1861639, 2004842, 2057601, 2215878, 2720857, 2743468, 2759484, 3007263, 3723278, 4009684, 4115202, 4431756, 4801069, 5441714, 5584917, 6014526, 7016947, 7446556, 8162571, 8230404, 9602138, 10883428, 11169834, 12029052, 13031473, 14033894, 14403207, 16325142, 19045999, 19204276, 21050841, 22339668, 26062946, 28067788, 28806414, 32650284, 35371141, 38091998, 39094419, 42101682, 52125892, 57137997, 57612828, 70742282, 76183996, 78188838, 84203364, 91220311, 106113423, 114275994, 133321993, 141484564, 156377676, 182440622, 212226846, 228551988, 247597987, 266643986, 273660933, 364881244, 399965979, 424453692, 495195974, 533287972, 547321866, 742793961, 799931958, 990391948, 1094643732, 1485587922, 1599863916, 1733185909, 2971175844, 3466371818, 5199557727, 6932743636, 10399115454, 20798230908]

約数ペア:

[(1, 20798230908), (2, 10399115454), (3, 6932743636), (4, 5199557727), (6, 3466371818), (7, 2971175844), (12, 1733185909), (13, 1599863916), (14, 1485587922), (19, 1094643732), (21, 990391948), (26, 799931958), (28, 742793961), (38, 547321866), (39, 533287972), (42, 495195974), (49, 424453692), (52, 399965979), (57, 364881244), (76, 273660933), (78, 266643986), (84, 247597987), (91, 228551988), (98, 212226846), (114, 182440622), (133, 156377676), (147, 141484564), (156, 133321993), (182, 114275994), (196, 106113423), (228, 91220311), (247, 84203364), (266, 78188838), (273, 76183996), (294, 70742282), (361, 57612828), (364, 57137997), (399, 52125892), (494, 42101682), (532, 39094419), (546, 38091998), (588, 35371141), (637, 32650284), (722, 28806414), (741, 28067788), (798, 26062946), (931, 22339668), (988, 21050841), (1083, 19204276), (1092, 19045999), (1274, 16325142), (1444, 14403207), (1482, 14033894), (1596, 13031473), (1729, 12029052), (1862, 11169834), (1911, 10883428), (2166, 9602138), (2527, 8230404), (2548, 8162571), (2793, 7446556), (2964, 7016947), (3458, 6014526), (3724, 5584917), (3822, 5441714), (4332, 4801069), (4693, 4431756), (5054, 4115202), (5187, 4009684), (5586, 3723278), (6916, 3007263), (7537, 2759484), (7581, 2743468), (7644, 2720857), (9386, 2215878), (10108, 2057601), (10374, 2004842), (11172, 1861639), (12103, 1718436), (14079, 1477252), (15074, 1379742), (15162, 1371734), (17689, 1175772), (18772, 1107939), (20748, 1002421), (22611, 919828), (24206, 859218), (28158, 738626), (30148, 689871), (30324, 685867), (32851, 633108), (35378, 587886), (36309, 572812), (45222, 459914), (48412, 429609), (52759, 394212), (53067, 391924), (56316, 369313), (65702, 316554), (70756, 293943), (72618, 286406), (90444, 229957), (97981, 212268), (98553, 211036), (105518, 197106), (106134, 195962), (131404, 158277), (143203, 145236)]