20216375025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3500671}}^1$

素因数の和:3500702

約数の個数: 48

約数和(自身を含む): 41671999488

約数和(自身を除く): 21455624463

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 165, 175, 231, 275, 385, 525, 825, 1155, 1925, 5775, 3500671, 10502013, 17503355, 24504697, 38507381, 52510065, 73514091, 87516775, 115522143, 122523485, 192536905, 262550325, 269551667, 367570455, 577610715, 612617425, 808655001, 962684525, 1347758335, 1837852275, 2888053575, 4043275005, 6738791675, 20216375025]

約数ペア:

[(1, 20216375025), (3, 6738791675), (5, 4043275005), (7, 2888053575), (11, 1837852275), (15, 1347758335), (21, 962684525), (25, 808655001), (33, 612617425), (35, 577610715), (55, 367570455), (75, 269551667), (77, 262550325), (105, 192536905), (165, 122523485), (175, 115522143), (231, 87516775), (275, 73514091), (385, 52510065), (525, 38507381), (825, 24504697), (1155, 17503355), (1925, 10502013), (5775, 3500671)]