20802872974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{440347}}^1$

素因数の和:440464

約数の個数: 32

約数和(自身を含む): 35509662720

約数和(自身を除く): 14706789746

約数列:

[1, 2, 13, 23, 26, 46, 79, 158, 299, 598, 1027, 1817, 2054, 3634, 23621, 47242, 440347, 880694, 5724511, 10127981, 11449022, 20255962, 34787413, 69574826, 131663753, 263327506, 452236369, 800110499, 904472738, 1600220998, 10401436487, 20802872974]

約数ペア:

[(1, 20802872974), (2, 10401436487), (13, 1600220998), (23, 904472738), (26, 800110499), (46, 452236369), (79, 263327506), (158, 131663753), (299, 69574826), (598, 34787413), (1027, 20255962), (1817, 11449022), (2054, 10127981), (3634, 5724511), (23621, 880694), (47242, 440347)]