20287920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{84533}}^1$

素因数の和:84549

約数の個数: 40

約数和(自身を含む): 62893296

約数和(自身を除く): 42605376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 84533, 169066, 253599, 338132, 422665, 507198, 676264, 845330, 1014396, 1267995, 1352528, 1690660, 2028792, 2535990, 3381320, 4057584, 5071980, 6762640, 10143960, 20287920]

約数ペア:

[(1, 20287920), (2, 10143960), (3, 6762640), (4, 5071980), (5, 4057584), (6, 3381320), (8, 2535990), (10, 2028792), (12, 1690660), (15, 1352528), (16, 1267995), (20, 1014396), (24, 845330), (30, 676264), (40, 507198), (48, 422665), (60, 338132), (80, 253599), (120, 169066), (240, 84533)]