20175951675

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{63853}}^1$

素因数の和:64260

約数の個数: 48

約数和(自身を含む): 36485664768

約数和(自身を除く): 16309713093

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 383, 825, 1149, 1915, 4213, 5745, 9575, 12639, 21065, 28725, 63195, 63853, 105325, 191559, 315975, 319265, 702383, 957795, 1596325, 2107149, 3511915, 4788975, 10535745, 17559575, 24455699, 52678725, 73367097, 122278495, 269012689, 366835485, 611392475, 807038067, 1345063445, 1834177425, 4035190335, 6725317225, 20175951675]

約数ペア:

[(1, 20175951675), (3, 6725317225), (5, 4035190335), (11, 1834177425), (15, 1345063445), (25, 807038067), (33, 611392475), (55, 366835485), (75, 269012689), (165, 122278495), (275, 73367097), (383, 52678725), (825, 24455699), (1149, 17559575), (1915, 10535745), (4213, 4788975), (5745, 3511915), (9575, 2107149), (12639, 1596325), (21065, 957795), (28725, 702383), (63195, 319265), (63853, 315975), (105325, 191559)]