20188949970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1\times {\mathrm{4229}}^1$

素因数の和:4552

約数の個数: 128

約数和(自身を含む): 56136499200

約数和(自身を除く): 35947549230

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 127, 179, 210, 254, 358, 381, 537, 635, 762, 889, 895, 1074, 1253, 1270, 1778, 1790, 1905, 2506, 2667, 2685, 3759, 3810, 4229, 4445, 5334, 5370, 6265, 7518, 8458, 8890, 12530, 12687, 13335, 18795, 21145, 22733, 25374, 26670, 29603, 37590, 42290, 45466, 59206, 63435, 68199, 88809, 113665, 126870, 136398, 148015, 159131, 177618, 227330, 296030, 318262, 340995, 444045, 477393, 537083, 681990, 756991, 795655, 888090, 954786, 1074166, 1513982, 1591310, 1611249, 2270973, 2386965, 2685415, 3222498, 3759581, 3784955, 4541946, 4773930, 5298937, 5370830, 7519162, 7569910, 8056245, 10597874, 11278743, 11354865, 15896811, 16112490, 18797905, 22557486, 22709730, 26494685, 31793622, 37595810, 52989370, 56393715, 79484055, 96137857, 112787430, 158968110, 192275714, 288413571, 480689285, 576827142, 672964999, 961378570, 1345929998, 1442067855, 2018894997, 2884135710, 3364824995, 4037789994, 6729649990, 10094474985, 20188949970]

約数ペア:

[(1, 20188949970), (2, 10094474985), (3, 6729649990), (5, 4037789994), (6, 3364824995), (7, 2884135710), (10, 2018894997), (14, 1442067855), (15, 1345929998), (21, 961378570), (30, 672964999), (35, 576827142), (42, 480689285), (70, 288413571), (105, 192275714), (127, 158968110), (179, 112787430), (210, 96137857), (254, 79484055), (358, 56393715), (381, 52989370), (537, 37595810), (635, 31793622), (762, 26494685), (889, 22709730), (895, 22557486), (1074, 18797905), (1253, 16112490), (1270, 15896811), (1778, 11354865), (1790, 11278743), (1905, 10597874), (2506, 8056245), (2667, 7569910), (2685, 7519162), (3759, 5370830), (3810, 5298937), (4229, 4773930), (4445, 4541946), (5334, 3784955), (5370, 3759581), (6265, 3222498), (7518, 2685415), (8458, 2386965), (8890, 2270973), (12530, 1611249), (12687, 1591310), (13335, 1513982), (18795, 1074166), (21145, 954786), (22733, 888090), (25374, 795655), (26670, 756991), (29603, 681990), (37590, 537083), (42290, 477393), (45466, 444045), (59206, 340995), (63435, 318262), (68199, 296030), (88809, 227330), (113665, 177618), (126870, 159131), (136398, 148015)]