20921886

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{14713}}^1$

素因数の和:14800

約数の個数: 24

約数和(自身を含む): 45907680

約数和(自身を除く): 24985794

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 237, 474, 711, 1422, 14713, 29426, 44139, 88278, 132417, 264834, 1162327, 2324654, 3486981, 6973962, 10460943, 20921886]

約数ペア:

[(1, 20921886), (2, 10460943), (3, 6973962), (6, 3486981), (9, 2324654), (18, 1162327), (79, 264834), (158, 132417), (237, 88278), (474, 44139), (711, 29426), (1422, 14713)]