20413560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2539}}^1$

素因数の和:2620

約数の個数: 64

約数和(自身を含む): 62179200

約数和(自身を除く): 41765640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 134, 201, 268, 335, 402, 536, 670, 804, 1005, 1340, 1608, 2010, 2539, 2680, 4020, 5078, 7617, 8040, 10156, 12695, 15234, 20312, 25390, 30468, 38085, 50780, 60936, 76170, 101560, 152340, 170113, 304680, 340226, 510339, 680452, 850565, 1020678, 1360904, 1701130, 2041356, 2551695, 3402260, 4082712, 5103390, 6804520, 10206780, 20413560]

約数ペア:

[(1, 20413560), (2, 10206780), (3, 6804520), (4, 5103390), (5, 4082712), (6, 3402260), (8, 2551695), (10, 2041356), (12, 1701130), (15, 1360904), (20, 1020678), (24, 850565), (30, 680452), (40, 510339), (60, 340226), (67, 304680), (120, 170113), (134, 152340), (201, 101560), (268, 76170), (335, 60936), (402, 50780), (536, 38085), (670, 30468), (804, 25390), (1005, 20312), (1340, 15234), (1608, 12695), (2010, 10156), (2539, 8040), (2680, 7617), (4020, 5078)]