20123657950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1590803}}^1$

素因数の和:1590849

約数の個数: 48

約数和(自身を含む): 42608094336

約数和(自身を除く): 22484436386

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 110, 115, 230, 253, 275, 506, 550, 575, 1150, 1265, 2530, 6325, 12650, 1590803, 3181606, 7954015, 15908030, 17498833, 34997666, 36588469, 39770075, 73176938, 79540150, 87494165, 174988330, 182942345, 365884690, 402473159, 437470825, 804946318, 874941650, 914711725, 1829423450, 2012365795, 4024731590, 10061828975, 20123657950]

約数ペア:

[(1, 20123657950), (2, 10061828975), (5, 4024731590), (10, 2012365795), (11, 1829423450), (22, 914711725), (23, 874941650), (25, 804946318), (46, 437470825), (50, 402473159), (55, 365884690), (110, 182942345), (115, 174988330), (230, 87494165), (253, 79540150), (275, 73176938), (506, 39770075), (550, 36588469), (575, 34997666), (1150, 17498833), (1265, 15908030), (2530, 7954015), (6325, 3181606), (12650, 1590803)]