20464250

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{3559}}^1$

素因数の和:3599

約数の個数: 32

約数和(自身を含む): 39985920

約数和(自身を除く): 19521670

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 230, 250, 575, 1150, 2875, 3559, 5750, 7118, 17795, 35590, 81857, 88975, 163714, 177950, 409285, 444875, 818570, 889750, 2046425, 4092850, 10232125, 20464250]

約数ペア:

[(1, 20464250), (2, 10232125), (5, 4092850), (10, 2046425), (23, 889750), (25, 818570), (46, 444875), (50, 409285), (115, 177950), (125, 163714), (230, 88975), (250, 81857), (575, 35590), (1150, 17795), (2875, 7118), (3559, 5750)]