20688510238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{203591}}^1$

素因数の和:203784

約数の個数: 32

約数和(自身を含む): 35180697600

約数和(自身を除く): 14492187362

約数列:

[1, 2, 11, 22, 31, 62, 149, 298, 341, 682, 1639, 3278, 4619, 9238, 50809, 101618, 203591, 407182, 2239501, 4479002, 6311321, 12622642, 30335059, 60670118, 69424531, 138849062, 333685649, 667371298, 940386829, 1880773658, 10344255119, 20688510238]

約数ペア:

[(1, 20688510238), (2, 10344255119), (11, 1880773658), (22, 940386829), (31, 667371298), (62, 333685649), (149, 138849062), (298, 69424531), (341, 60670118), (682, 30335059), (1639, 12622642), (3278, 6311321), (4619, 4479002), (9238, 2239501), (50809, 407182), (101618, 203591)]