20921493598

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{247223}}^1$

素因数の和:247392

約数の個数: 32

約数和(自身を含む): 35244253440

約数和(自身を除く): 14322759842

約数列:

[1, 2, 17, 19, 34, 38, 131, 262, 323, 646, 2227, 2489, 4454, 4978, 42313, 84626, 247223, 494446, 4202791, 4697237, 8405582, 9394474, 32386213, 64772426, 79853029, 159706058, 550565621, 615338047, 1101131242, 1230676094, 10460746799, 20921493598]

約数ペア:

[(1, 20921493598), (2, 10460746799), (17, 1230676094), (19, 1101131242), (34, 615338047), (38, 550565621), (131, 159706058), (262, 79853029), (323, 64772426), (646, 32386213), (2227, 9394474), (2489, 8405582), (4454, 4697237), (4978, 4202791), (42313, 494446), (84626, 247223)]