20315760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{84649}}^1$

素因数の和:84665

約数の個数: 40

約数和(自身を含む): 62979600

約数和(自身を除く): 42663840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 84649, 169298, 253947, 338596, 423245, 507894, 677192, 846490, 1015788, 1269735, 1354384, 1692980, 2031576, 2539470, 3385960, 4063152, 5078940, 6771920, 10157880, 20315760]

約数ペア:

[(1, 20315760), (2, 10157880), (3, 6771920), (4, 5078940), (5, 4063152), (6, 3385960), (8, 2539470), (10, 2031576), (12, 1692980), (15, 1354384), (16, 1269735), (20, 1015788), (24, 846490), (30, 677192), (40, 507894), (48, 423245), (60, 338596), (80, 253947), (120, 169298), (240, 84649)]