20321566291

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{201781}}^1$

素因数の和:201982

約数の個数: 16

約数和(自身を含む): 22418787328

約数和(自身を除く): 2097221037

約数列:

[1, 13, 61, 127, 793, 1651, 7747, 100711, 201781, 2623153, 12308641, 25626187, 160012333, 333140431, 1563197407, 20321566291]

約数ペア:

[(1, 20321566291), (13, 1563197407), (61, 333140431), (127, 160012333), (793, 25626187), (1651, 12308641), (7747, 2623153), (100711, 201781)]