20458218

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{773}}^1$

素因数の和:1190

約数の個数: 32

約数和(自身を含む): 44805312

約数和(自身を除く): 24347094

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 401, 773, 802, 1203, 1546, 2319, 2406, 4411, 4638, 8503, 8822, 13233, 17006, 25509, 26466, 51018, 309973, 619946, 929919, 1859838, 3409703, 6819406, 10229109, 20458218]

約数ペア:

[(1, 20458218), (2, 10229109), (3, 6819406), (6, 3409703), (11, 1859838), (22, 929919), (33, 619946), (66, 309973), (401, 51018), (773, 26466), (802, 25509), (1203, 17006), (1546, 13233), (2319, 8822), (2406, 8503), (4411, 4638)]