20821734

素因数分解:

$2^1\times 3^2\times {\mathrm{877}}^1\times {\mathrm{1319}}^1$

素因数の和:2204

約数の個数: 24

約数和(自身を含む): 45199440

約数和(自身を除く): 24377706

約数列:

[1, 2, 3, 6, 9, 18, 877, 1319, 1754, 2631, 2638, 3957, 5262, 7893, 7914, 11871, 15786, 23742, 1156763, 2313526, 3470289, 6940578, 10410867, 20821734]

約数ペア:

[(1, 20821734), (2, 10410867), (3, 6940578), (6, 3470289), (9, 2313526), (18, 1156763), (877, 23742), (1319, 15786), (1754, 11871), (2631, 7914), (2638, 7893), (3957, 5262)]