20764544

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{5233}}^1$

素因数の和:5278

約数の個数: 32

約数和(自身を含む): 42709440

約数和(自身を除く): 21944896

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 5233, 10466, 20932, 41864, 83728, 162223, 167456, 324446, 334912, 648892, 669824, 1297784, 2595568, 5191136, 10382272, 20764544]

約数ペア:

[(1, 20764544), (2, 10382272), (4, 5191136), (8, 2595568), (16, 1297784), (31, 669824), (32, 648892), (62, 334912), (64, 324446), (124, 167456), (128, 162223), (248, 83728), (496, 41864), (992, 20932), (1984, 10466), (3968, 5233)]