20519581354

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{619}}^1\times {\mathrm{21277}}^1$

素因数の和:21958

約数の個数: 32

約数和(自身を含む): 33244747200

約数和(自身を除く): 12725165846

約数列:

[1, 2, 19, 38, 41, 82, 619, 779, 1238, 1558, 11761, 21277, 23522, 25379, 42554, 50758, 404263, 482201, 808526, 872357, 964402, 1744714, 13170463, 16574783, 26340926, 33149566, 250238797, 500477594, 539988983, 1079977966, 10259790677, 20519581354]

約数ペア:

[(1, 20519581354), (2, 10259790677), (19, 1079977966), (38, 539988983), (41, 500477594), (82, 250238797), (619, 33149566), (779, 26340926), (1238, 16574783), (1558, 13170463), (11761, 1744714), (21277, 964402), (23522, 872357), (25379, 808526), (42554, 482201), (50758, 404263)]