20729038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:624

約数の個数: 32

約数和(自身を含む): 36132480

約数和(自身を除く): 15403442

約数列:

[1, 2, 11, 19, 22, 38, 101, 202, 209, 418, 491, 982, 1111, 1919, 2222, 3838, 5401, 9329, 10802, 18658, 21109, 42218, 49591, 99182, 102619, 205238, 545501, 942229, 1091002, 1884458, 10364519, 20729038]

約数ペア:

[(1, 20729038), (2, 10364519), (11, 1884458), (19, 1091002), (22, 942229), (38, 545501), (101, 205238), (202, 102619), (209, 99182), (418, 49591), (491, 42218), (982, 21109), (1111, 18658), (1919, 10802), (2222, 9329), (3838, 5401)]