20998446

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1901}}^1$

素因数の和:2176

約数の個数: 32

約数和(自身を含む): 48204288

約数和(自身を除く): 27205842

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 263, 526, 789, 1578, 1841, 1901, 3682, 3802, 5523, 5703, 11046, 11406, 13307, 26614, 39921, 79842, 499963, 999926, 1499889, 2999778, 3499741, 6999482, 10499223, 20998446]

約数ペア:

[(1, 20998446), (2, 10499223), (3, 6999482), (6, 3499741), (7, 2999778), (14, 1499889), (21, 999926), (42, 499963), (263, 79842), (526, 39921), (789, 26614), (1578, 13307), (1841, 11406), (1901, 11046), (3682, 5703), (3802, 5523)]