20201015656

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{280913}}^1$

素因数の和:281109

約数の個数: 32

約数和(自身を含む): 38681857800

約数和(自身を除く): 18480842144

約数列:

[1, 2, 4, 8, 89, 101, 178, 202, 356, 404, 712, 808, 8989, 17978, 35956, 71912, 280913, 561826, 1123652, 2247304, 25001257, 28372213, 50002514, 56744426, 100005028, 113488852, 200010056, 226977704, 2525126957, 5050253914, 10100507828, 20201015656]

約数ペア:

[(1, 20201015656), (2, 10100507828), (4, 5050253914), (8, 2525126957), (89, 226977704), (101, 200010056), (178, 113488852), (202, 100005028), (356, 56744426), (404, 50002514), (712, 28372213), (808, 25001257), (8989, 2247304), (17978, 1123652), (35956, 561826), (71912, 280913)]