20210508580

素因数分解:

$2^2\times 5^1\times {\mathrm{19471}}^1\times {\mathrm{51899}}^1$

素因数の和:71379

約数の個数: 24

約数和(自身を含む): 42445065600

約数和(自身を除く): 22234557020

約数列:

[1, 2, 4, 5, 10, 20, 19471, 38942, 51899, 77884, 97355, 103798, 194710, 207596, 259495, 389420, 518990, 1037980, 1010525429, 2021050858, 4042101716, 5052627145, 10105254290, 20210508580]

約数ペア:

[(1, 20210508580), (2, 10105254290), (4, 5052627145), (5, 4042101716), (10, 2021050858), (20, 1010525429), (19471, 1037980), (38942, 518990), (51899, 389420), (77884, 259495), (97355, 207596), (103798, 194710)]