20465704

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11789}}^1$

素因数の和:11833

約数の個数: 32

約数和(自身を含む): 45273600

約数和(自身を除く): 24807896

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 11789, 23578, 47156, 82523, 94312, 165046, 330092, 365459, 660184, 730918, 1461836, 2558213, 2923672, 5116426, 10232852, 20465704]

約数ペア:

[(1, 20465704), (2, 10232852), (4, 5116426), (7, 2923672), (8, 2558213), (14, 1461836), (28, 730918), (31, 660184), (56, 365459), (62, 330092), (124, 165046), (217, 94312), (248, 82523), (434, 47156), (868, 23578), (1736, 11789)]