20009360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{35731}}^1$

素因数の和:35751

約数の個数: 40

約数和(自身を含む): 53169216

約数和(自身を除く): 33159856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 35731, 71462, 142924, 178655, 250117, 285848, 357310, 500234, 571696, 714620, 1000468, 1250585, 1429240, 2000936, 2501170, 2858480, 4001872, 5002340, 10004680, 20009360]

約数ペア:

[(1, 20009360), (2, 10004680), (4, 5002340), (5, 4001872), (7, 2858480), (8, 2501170), (10, 2000936), (14, 1429240), (16, 1250585), (20, 1000468), (28, 714620), (35, 571696), (40, 500234), (56, 357310), (70, 285848), (80, 250117), (112, 178655), (140, 142924), (280, 71462), (560, 35731)]