20019456

素因数分解:

$2^8\times 3^2\times {\mathrm{8689}}^1$

素因数の和:8711

約数の個数: 54

約数和(自身を含む): 57727670

約数和(自身を除く): 37708214

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 576, 768, 1152, 2304, 8689, 17378, 26067, 34756, 52134, 69512, 78201, 104268, 139024, 156402, 208536, 278048, 312804, 417072, 556096, 625608, 834144, 1112192, 1251216, 1668288, 2224384, 2502432, 3336576, 5004864, 6673152, 10009728, 20019456]

約数ペア:

[(1, 20019456), (2, 10009728), (3, 6673152), (4, 5004864), (6, 3336576), (8, 2502432), (9, 2224384), (12, 1668288), (16, 1251216), (18, 1112192), (24, 834144), (32, 625608), (36, 556096), (48, 417072), (64, 312804), (72, 278048), (96, 208536), (128, 156402), (144, 139024), (192, 104268), (256, 78201), (288, 69512), (384, 52134), (576, 34756), (768, 26067), (1152, 17378), (2304, 8689)]