20907172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{36551}}^1$

素因数の和:36579

約数の個数: 24

約数和(自身を含む): 42985152

約数和(自身を除く): 22077980

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 36551, 73102, 146204, 402061, 475163, 804122, 950326, 1608244, 1900652, 5226793, 10453586, 20907172]

約数ペア:

[(1, 20907172), (2, 10453586), (4, 5226793), (11, 1900652), (13, 1608244), (22, 950326), (26, 804122), (44, 475163), (52, 402061), (143, 146204), (286, 73102), (572, 36551)]