20194707440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{6156923}}^1$

素因数の和:6156977

約数の個数: 40

約数和(自身を含む): 48097890288

約数和(自身を除く): 27903182848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 6156923, 12313846, 24627692, 30784615, 49255384, 61569230, 98510768, 123138460, 246276920, 252433843, 492553840, 504867686, 1009735372, 1262169215, 2019470744, 2524338430, 4038941488, 5048676860, 10097353720, 20194707440]

約数ペア:

[(1, 20194707440), (2, 10097353720), (4, 5048676860), (5, 4038941488), (8, 2524338430), (10, 2019470744), (16, 1262169215), (20, 1009735372), (40, 504867686), (41, 492553840), (80, 252433843), (82, 246276920), (164, 123138460), (205, 98510768), (328, 61569230), (410, 49255384), (656, 30784615), (820, 24627692), (1640, 12313846), (3280, 6156923)]