20400486

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 41717760

約数和(自身を除く): 21317274

約数列:

[1, 2, 3, 6, 79, 158, 193, 223, 237, 386, 446, 474, 579, 669, 1158, 1338, 15247, 17617, 30494, 35234, 43039, 45741, 52851, 86078, 91482, 105702, 129117, 258234, 3400081, 6800162, 10200243, 20400486]

約数ペア:

[(1, 20400486), (2, 10200243), (3, 6800162), (6, 3400081), (79, 258234), (158, 129117), (193, 105702), (223, 91482), (237, 86078), (386, 52851), (446, 45741), (474, 43039), (579, 35234), (669, 30494), (1158, 17617), (1338, 15247)]