20472496

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{397}}^1$

素因数の和:709

約数の個数: 40

約数和(自身を含む): 43528464

約数和(自身を除く): 23055968

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 293, 397, 586, 794, 1172, 1588, 2344, 3176, 3223, 4367, 4688, 6352, 6446, 8734, 12892, 17468, 25784, 34936, 51568, 69872, 116321, 232642, 465284, 930568, 1279531, 1861136, 2559062, 5118124, 10236248, 20472496]

約数ペア:

[(1, 20472496), (2, 10236248), (4, 5118124), (8, 2559062), (11, 1861136), (16, 1279531), (22, 930568), (44, 465284), (88, 232642), (176, 116321), (293, 69872), (397, 51568), (586, 34936), (794, 25784), (1172, 17468), (1588, 12892), (2344, 8734), (3176, 6446), (3223, 6352), (4367, 4688)]