20727252

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:92

約数の個数: 240

約数和(自身を含む): 72096640

約数和(自身を除く): 51369388

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 27, 28, 36, 37, 38, 39, 42, 52, 54, 57, 63, 74, 76, 78, 81, 84, 91, 108, 111, 114, 117, 126, 133, 148, 156, 162, 171, 182, 189, 222, 228, 234, 247, 252, 259, 266, 273, 324, 333, 342, 351, 364, 378, 399, 444, 468, 481, 494, 513, 518, 532, 546, 567, 666, 684, 702, 703, 741, 756, 777, 798, 819, 962, 988, 999, 1026, 1036, 1053, 1092, 1134, 1197, 1332, 1404, 1406, 1443, 1482, 1539, 1554, 1596, 1638, 1729, 1924, 1998, 2052, 2106, 2109, 2223, 2268, 2331, 2394, 2457, 2812, 2886, 2964, 2997, 3078, 3108, 3276, 3367, 3458, 3591, 3996, 4212, 4218, 4329, 4446, 4662, 4788, 4914, 4921, 5187, 5772, 5994, 6156, 6327, 6669, 6734, 6916, 6993, 7182, 7371, 8436, 8658, 8892, 9139, 9324, 9828, 9842, 10101, 10374, 10773, 11988, 12654, 12987, 13338, 13468, 13986, 14364, 14742, 14763, 15561, 17316, 18278, 18981, 19684, 20007, 20202, 20748, 20979, 21546, 25308, 25974, 26676, 27417, 27972, 29484, 29526, 30303, 31122, 36556, 37962, 38961, 40014, 40404, 41958, 43092, 44289, 46683, 51948, 54834, 56943, 59052, 60606, 62244, 63973, 75924, 77922, 80028, 82251, 83916, 88578, 90909, 93366, 109668, 113886, 121212, 127946, 132867, 140049, 155844, 164502, 177156, 181818, 186732, 191919, 227772, 246753, 255892, 265734, 272727, 280098, 329004, 363636, 383838, 398601, 493506, 531468, 545454, 560196, 575757, 740259, 767676, 797202, 987012, 1090908, 1151514, 1480518, 1594404, 1727271, 2303028, 2961036, 3454542, 5181813, 6909084, 10363626, 20727252]

約数ペア:

[(1, 20727252), (2, 10363626), (3, 6909084), (4, 5181813), (6, 3454542), (7, 2961036), (9, 2303028), (12, 1727271), (13, 1594404), (14, 1480518), (18, 1151514), (19, 1090908), (21, 987012), (26, 797202), (27, 767676), (28, 740259), (36, 575757), (37, 560196), (38, 545454), (39, 531468), (42, 493506), (52, 398601), (54, 383838), (57, 363636), (63, 329004), (74, 280098), (76, 272727), (78, 265734), (81, 255892), (84, 246753), (91, 227772), (108, 191919), (111, 186732), (114, 181818), (117, 177156), (126, 164502), (133, 155844), (148, 140049), (156, 132867), (162, 127946), (171, 121212), (182, 113886), (189, 109668), (222, 93366), (228, 90909), (234, 88578), (247, 83916), (252, 82251), (259, 80028), (266, 77922), (273, 75924), (324, 63973), (333, 62244), (342, 60606), (351, 59052), (364, 56943), (378, 54834), (399, 51948), (444, 46683), (468, 44289), (481, 43092), (494, 41958), (513, 40404), (518, 40014), (532, 38961), (546, 37962), (567, 36556), (666, 31122), (684, 30303), (702, 29526), (703, 29484), (741, 27972), (756, 27417), (777, 26676), (798, 25974), (819, 25308), (962, 21546), (988, 20979), (999, 20748), (1026, 20202), (1036, 20007), (1053, 19684), (1092, 18981), (1134, 18278), (1197, 17316), (1332, 15561), (1404, 14763), (1406, 14742), (1443, 14364), (1482, 13986), (1539, 13468), (1554, 13338), (1596, 12987), (1638, 12654), (1729, 11988), (1924, 10773), (1998, 10374), (2052, 10101), (2106, 9842), (2109, 9828), (2223, 9324), (2268, 9139), (2331, 8892), (2394, 8658), (2457, 8436), (2812, 7371), (2886, 7182), (2964, 6993), (2997, 6916), (3078, 6734), (3108, 6669), (3276, 6327), (3367, 6156), (3458, 5994), (3591, 5772), (3996, 5187), (4212, 4921), (4218, 4914), (4329, 4788), (4446, 4662)]