20797382

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:260

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 13071418

約数列:

[1, 2, 23, 46, 59, 79, 97, 118, 158, 194, 1357, 1817, 2231, 2714, 3634, 4462, 4661, 5723, 7663, 9322, 11446, 15326, 107203, 131629, 176249, 214406, 263258, 352498, 452117, 904234, 10398691, 20797382]

約数ペア:

[(1, 20797382), (2, 10398691), (23, 904234), (46, 452117), (59, 352498), (79, 263258), (97, 214406), (118, 176249), (158, 131629), (194, 107203), (1357, 15326), (1817, 11446), (2231, 9322), (2714, 7663), (3634, 5723), (4462, 4661)]