20221355

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{991}}^1$

素因数の和:1067

約数の個数: 32

約数和(自身を含む): 30855168

約数和(自身を除く): 10633813

約数列:

[1, 5, 7, 11, 35, 53, 55, 77, 265, 371, 385, 583, 991, 1855, 2915, 4081, 4955, 6937, 10901, 20405, 34685, 52523, 54505, 76307, 262615, 367661, 381535, 577753, 1838305, 2888765, 4044271, 20221355]

約数ペア:

[(1, 20221355), (5, 4044271), (7, 2888765), (11, 1838305), (35, 577753), (53, 381535), (55, 367661), (77, 262615), (265, 76307), (371, 54505), (385, 52523), (583, 34685), (991, 20405), (1855, 10901), (2915, 6937), (4081, 4955)]