20048220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{877}}^1$

素因数の和:1019

約数の個数: 72

約数和(自身を含む): 61361664

約数和(自身を除く): 41313444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 877, 1143, 1270, 1524, 1754, 1905, 2286, 2540, 2631, 3508, 3810, 4385, 4572, 5262, 5715, 7620, 7893, 8770, 10524, 11430, 13155, 15786, 17540, 22860, 26310, 31572, 39465, 52620, 78930, 111379, 157860, 222758, 334137, 445516, 556895, 668274, 1002411, 1113790, 1336548, 1670685, 2004822, 2227580, 3341370, 4009644, 5012055, 6682740, 10024110, 20048220]

約数ペア:

[(1, 20048220), (2, 10024110), (3, 6682740), (4, 5012055), (5, 4009644), (6, 3341370), (9, 2227580), (10, 2004822), (12, 1670685), (15, 1336548), (18, 1113790), (20, 1002411), (30, 668274), (36, 556895), (45, 445516), (60, 334137), (90, 222758), (127, 157860), (180, 111379), (254, 78930), (381, 52620), (508, 39465), (635, 31572), (762, 26310), (877, 22860), (1143, 17540), (1270, 15786), (1524, 13155), (1754, 11430), (1905, 10524), (2286, 8770), (2540, 7893), (2631, 7620), (3508, 5715), (3810, 5262), (4385, 4572)]