20055805

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{461}}^1$

素因数の和:597

約数の個数: 32

約数和(自身を含む): 30336768

約数和(自身を除く): 10280963

約数列:

[1, 5, 7, 11, 35, 55, 77, 113, 385, 461, 565, 791, 1243, 2305, 3227, 3955, 5071, 6215, 8701, 16135, 25355, 35497, 43505, 52093, 177485, 260465, 364651, 573023, 1823255, 2865115, 4011161, 20055805]

約数ペア:

[(1, 20055805), (5, 4011161), (7, 2865115), (11, 1823255), (35, 573023), (55, 364651), (77, 260465), (113, 177485), (385, 52093), (461, 43505), (565, 35497), (791, 25355), (1243, 16135), (2305, 8701), (3227, 6215), (3955, 5071)]