20524735

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{599}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 10579265

約数列:

[1, 5, 7, 11, 35, 55, 77, 89, 385, 445, 599, 623, 979, 2995, 3115, 4193, 4895, 6589, 6853, 20965, 32945, 34265, 46123, 53311, 230615, 266555, 373177, 586421, 1865885, 2932105, 4104947, 20524735]

約数ペア:

[(1, 20524735), (5, 4104947), (7, 2932105), (11, 1865885), (35, 586421), (55, 373177), (77, 266555), (89, 230615), (385, 53311), (445, 46123), (599, 34265), (623, 32945), (979, 20965), (2995, 6853), (3115, 6589), (4193, 4895)]