20051278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{14551}}^1$

素因数の和:14619

約数の個数: 16

約数和(自身を含む): 33003936

約数和(自身を除く): 12952658

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 14551, 29102, 189163, 378326, 771203, 1542406, 10025639, 20051278]

約数ペア:

[(1, 20051278), (2, 10025639), (13, 1542406), (26, 771203), (53, 378326), (106, 189163), (689, 29102), (1378, 14551)]