20751610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9929}}^1$

素因数の和:9966

約数の個数: 32

約数和(自身を含む): 42897600

約数和(自身を除く): 22145990

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 9929, 19858, 49645, 99290, 109219, 188651, 218438, 377302, 546095, 943255, 1092190, 1886510, 2075161, 4150322, 10375805, 20751610]

約数ペア:

[(1, 20751610), (2, 10375805), (5, 4150322), (10, 2075161), (11, 1886510), (19, 1092190), (22, 943255), (38, 546095), (55, 377302), (95, 218438), (110, 188651), (190, 109219), (209, 99290), (418, 49645), (1045, 19858), (2090, 9929)]