19960456

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{31583}}^1$

素因数の和:31668

約数の個数: 16

約数和(自身を含む): 37900800

約数和(自身を除く): 17940344

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 31583, 63166, 126332, 252664, 2495057, 4990114, 9980228, 19960456]

約数ペア:

[(1, 19960456), (2, 9980228), (4, 4990114), (8, 2495057), (79, 252664), (158, 126332), (316, 63166), (632, 31583)]