20324080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{36293}}^1$

素因数の和:36313

約数の個数: 40

約数和(自身を含む): 54005472

約数和(自身を除く): 33681392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36293, 72586, 145172, 181465, 254051, 290344, 362930, 508102, 580688, 725860, 1016204, 1270255, 1451720, 2032408, 2540510, 2903440, 4064816, 5081020, 10162040, 20324080]

約数ペア:

[(1, 20324080), (2, 10162040), (4, 5081020), (5, 4064816), (7, 2903440), (8, 2540510), (10, 2032408), (14, 1451720), (16, 1270255), (20, 1016204), (28, 725860), (35, 580688), (40, 508102), (56, 362930), (70, 290344), (80, 254051), (112, 181465), (140, 145172), (280, 72586), (560, 36293)]