20431928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2939}}^1$

素因数の和:3035

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 21904072

約数列:

[1, 2, 4, 8, 11, 22, 44, 79, 88, 158, 316, 632, 869, 1738, 2939, 3476, 5878, 6952, 11756, 23512, 32329, 64658, 129316, 232181, 258632, 464362, 928724, 1857448, 2553991, 5107982, 10215964, 20431928]

約数ペア:

[(1, 20431928), (2, 10215964), (4, 5107982), (8, 2553991), (11, 1857448), (22, 928724), (44, 464362), (79, 258632), (88, 232181), (158, 129316), (316, 64658), (632, 32329), (869, 23512), (1738, 11756), (2939, 6952), (3476, 5878)]