20651673

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{31723}}^1$

素因数の和:31764

約数の個数: 16

約数和(自身を含む): 32485376

約数和(自身を除く): 11833703

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 31723, 95169, 222061, 666183, 983413, 2950239, 6883891, 20651673]

約数ペア:

[(1, 20651673), (3, 6883891), (7, 2950239), (21, 983413), (31, 666183), (93, 222061), (217, 95169), (651, 31723)]