20028090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{857}}^1$

素因数の和:927

約数の個数: 64

約数和(自身を含む): 51891840

約数和(自身を除く): 31863750

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 41, 57, 82, 95, 114, 123, 190, 205, 246, 285, 410, 570, 615, 779, 857, 1230, 1558, 1714, 2337, 2571, 3895, 4285, 4674, 5142, 7790, 8570, 11685, 12855, 16283, 23370, 25710, 32566, 35137, 48849, 70274, 81415, 97698, 105411, 162830, 175685, 210822, 244245, 351370, 488490, 527055, 667603, 1054110, 1335206, 2002809, 3338015, 4005618, 6676030, 10014045, 20028090]

約数ペア:

[(1, 20028090), (2, 10014045), (3, 6676030), (5, 4005618), (6, 3338015), (10, 2002809), (15, 1335206), (19, 1054110), (30, 667603), (38, 527055), (41, 488490), (57, 351370), (82, 244245), (95, 210822), (114, 175685), (123, 162830), (190, 105411), (205, 97698), (246, 81415), (285, 70274), (410, 48849), (570, 35137), (615, 32566), (779, 25710), (857, 23370), (1230, 16283), (1558, 12855), (1714, 11685), (2337, 8570), (2571, 7790), (3895, 5142), (4285, 4674)]