20163702620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{322001}}^1$

素因数の和:322142

約数の個数: 48

約数和(自身を含む): 44142610176

約数和(自身を除く): 23978907556

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 101, 124, 155, 202, 310, 404, 505, 620, 1010, 2020, 3131, 6262, 12524, 15655, 31310, 62620, 322001, 644002, 1288004, 1610005, 3220010, 6440020, 9982031, 19964062, 32522101, 39928124, 49910155, 65044202, 99820310, 130088404, 162610505, 199640620, 325221010, 650442020, 1008185131, 2016370262, 4032740524, 5040925655, 10081851310, 20163702620]

約数ペア:

[(1, 20163702620), (2, 10081851310), (4, 5040925655), (5, 4032740524), (10, 2016370262), (20, 1008185131), (31, 650442020), (62, 325221010), (101, 199640620), (124, 162610505), (155, 130088404), (202, 99820310), (310, 65044202), (404, 49910155), (505, 39928124), (620, 32522101), (1010, 19964062), (2020, 9982031), (3131, 6440020), (6262, 3220010), (12524, 1610005), (15655, 1288004), (31310, 644002), (62620, 322001)]