20697360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86239}}^1$

素因数の和:86255

約数の個数: 40

約数和(自身を含む): 64162560

約数和(自身を除く): 43465200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86239, 172478, 258717, 344956, 431195, 517434, 689912, 862390, 1034868, 1293585, 1379824, 1724780, 2069736, 2587170, 3449560, 4139472, 5174340, 6899120, 10348680, 20697360]

約数ペア:

[(1, 20697360), (2, 10348680), (3, 6899120), (4, 5174340), (5, 4139472), (6, 3449560), (8, 2587170), (10, 2069736), (12, 1724780), (15, 1379824), (16, 1293585), (20, 1034868), (24, 862390), (30, 689912), (40, 517434), (48, 431195), (60, 344956), (80, 258717), (120, 172478), (240, 86239)]