20708880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86287}}^1$

素因数の和:86303

約数の個数: 40

約数和(自身を含む): 64198272

約数和(自身を除く): 43489392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86287, 172574, 258861, 345148, 431435, 517722, 690296, 862870, 1035444, 1294305, 1380592, 1725740, 2070888, 2588610, 3451480, 4141776, 5177220, 6902960, 10354440, 20708880]

約数ペア:

[(1, 20708880), (2, 10354440), (3, 6902960), (4, 5177220), (5, 4141776), (6, 3451480), (8, 2588610), (10, 2070888), (12, 1725740), (15, 1380592), (16, 1294305), (20, 1035444), (24, 862870), (30, 690296), (40, 517722), (48, 431435), (60, 345148), (80, 258861), (120, 172574), (240, 86287)]