20709960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{172583}}^1$

素因数の和:172597

約数の個数: 32

約数和(自身を含む): 62130240

約数和(自身を除く): 41420280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 172583, 345166, 517749, 690332, 862915, 1035498, 1380664, 1725830, 2070996, 2588745, 3451660, 4141992, 5177490, 6903320, 10354980, 20709960]

約数ペア:

[(1, 20709960), (2, 10354980), (3, 6903320), (4, 5177490), (5, 4141992), (6, 3451660), (8, 2588745), (10, 2070996), (12, 1725830), (15, 1380664), (20, 1035498), (24, 862915), (30, 690332), (40, 517749), (60, 345166), (120, 172583)]