20642596

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{10729}}^1$

素因数の和:10783

約数の個数: 24

約数和(自身を含む): 39958520

約数和(自身を除く): 19315924

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 10729, 21458, 42916, 139477, 278954, 396973, 557908, 793946, 1587892, 5160649, 10321298, 20642596]

約数ペア:

[(1, 20642596), (2, 10321298), (4, 5160649), (13, 1587892), (26, 793946), (37, 557908), (52, 396973), (74, 278954), (148, 139477), (481, 42916), (962, 21458), (1924, 10729)]