20644218

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2777}}^1$

素因数の和:2851

約数の個数: 48

約数和(自身を含む): 52004160

約数和(自身を除く): 31359942

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 59, 63, 118, 126, 177, 354, 413, 531, 826, 1062, 1239, 2478, 2777, 3717, 5554, 7434, 8331, 16662, 19439, 24993, 38878, 49986, 58317, 116634, 163843, 174951, 327686, 349902, 491529, 983058, 1146901, 1474587, 2293802, 2949174, 3440703, 6881406, 10322109, 20644218]

約数ペア:

[(1, 20644218), (2, 10322109), (3, 6881406), (6, 3440703), (7, 2949174), (9, 2293802), (14, 1474587), (18, 1146901), (21, 983058), (42, 491529), (59, 349902), (63, 327686), (118, 174951), (126, 163843), (177, 116634), (354, 58317), (413, 49986), (531, 38878), (826, 24993), (1062, 19439), (1239, 16662), (2478, 8331), (2777, 7434), (3717, 5554)]