20153120689

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^3\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 22597037568

約数和(自身を除く): 2443916879

約数列:

[1, 13, 41, 83, 271, 533, 1079, 1681, 3403, 3523, 11111, 21853, 22493, 44239, 68921, 139523, 144443, 292409, 455551, 895973, 922213, 1813799, 5720443, 5922163, 11988769, 18677591, 37810733, 74365759, 242808683, 491539529, 1550240053, 20153120689]

約数ペア:

[(1, 20153120689), (13, 1550240053), (41, 491539529), (83, 242808683), (271, 74365759), (533, 37810733), (1079, 18677591), (1681, 11988769), (3403, 5922163), (3523, 5720443), (11111, 1813799), (21853, 922213), (22493, 895973), (44239, 455551), (68921, 292409), (139523, 144443)]