20121406095

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1\times {\mathrm{2777}}^1$

素因数の和:3400

約数の個数: 64

約数和(自身を含む): 37131503616

約数和(自身を除く): 17010097521

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 151, 453, 457, 755, 1057, 1371, 2265, 2285, 2777, 3171, 3199, 5285, 6855, 8331, 9597, 13885, 15855, 15995, 19439, 41655, 47985, 58317, 69007, 97195, 207021, 291585, 345035, 419327, 483049, 1035105, 1257981, 1269089, 1449147, 2096635, 2415245, 2935289, 3807267, 6289905, 6345445, 7245735, 8805867, 8883623, 14676445, 19036335, 26650869, 44029335, 44418115, 133254345, 191632439, 574897317, 958162195, 1341427073, 2874486585, 4024281219, 6707135365, 20121406095]

約数ペア:

[(1, 20121406095), (3, 6707135365), (5, 4024281219), (7, 2874486585), (15, 1341427073), (21, 958162195), (35, 574897317), (105, 191632439), (151, 133254345), (453, 44418115), (457, 44029335), (755, 26650869), (1057, 19036335), (1371, 14676445), (2265, 8883623), (2285, 8805867), (2777, 7245735), (3171, 6345445), (3199, 6289905), (5285, 3807267), (6855, 2935289), (8331, 2415245), (9597, 2096635), (13885, 1449147), (15855, 1269089), (15995, 1257981), (19439, 1035105), (41655, 483049), (47985, 419327), (58317, 345035), (69007, 291585), (97195, 207021)]