20443360

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{18253}}^1$

素因数の和:18275

約数の個数: 48

約数和(自身を含む): 55200096

約数和(自身を除く): 34756736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 18253, 36506, 73012, 91265, 127771, 146024, 182530, 255542, 292048, 365060, 511084, 584096, 638855, 730120, 1022168, 1277710, 1460240, 2044336, 2555420, 2920480, 4088672, 5110840, 10221680, 20443360]

約数ペア:

[(1, 20443360), (2, 10221680), (4, 5110840), (5, 4088672), (7, 2920480), (8, 2555420), (10, 2044336), (14, 1460240), (16, 1277710), (20, 1022168), (28, 730120), (32, 638855), (35, 584096), (40, 511084), (56, 365060), (70, 292048), (80, 255542), (112, 182530), (140, 146024), (160, 127771), (224, 91265), (280, 73012), (560, 36506), (1120, 18253)]