20210679550

素因数分解:

$2^1\times 5^2\times {\mathrm{223}}^1\times {\mathrm{643}}^1\times {\mathrm{2819}}^1$

素因数の和:3697

約数の個数: 48

約数和(自身を含む): 37832578560

約数和(自身を除く): 17621899010

約数列:

[1, 2, 5, 10, 25, 50, 223, 446, 643, 1115, 1286, 2230, 2819, 3215, 5575, 5638, 6430, 11150, 14095, 16075, 28190, 32150, 70475, 140950, 143389, 286778, 628637, 716945, 1257274, 1433890, 1812617, 3143185, 3584725, 3625234, 6286370, 7169450, 9063085, 15715925, 18126170, 31431850, 45315425, 90630850, 404213591, 808427182, 2021067955, 4042135910, 10105339775, 20210679550]

約数ペア:

[(1, 20210679550), (2, 10105339775), (5, 4042135910), (10, 2021067955), (25, 808427182), (50, 404213591), (223, 90630850), (446, 45315425), (643, 31431850), (1115, 18126170), (1286, 15715925), (2230, 9063085), (2819, 7169450), (3215, 6286370), (5575, 3625234), (5638, 3584725), (6430, 3143185), (11150, 1812617), (14095, 1433890), (16075, 1257274), (28190, 716945), (32150, 628637), (70475, 286778), (140950, 143389)]