20067664

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40459}}^1$

素因数の和:40498

約数の個数: 20

約数和(自身を含む): 40136320

約数和(自身を除く): 20068656

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40459, 80918, 161836, 323672, 647344, 1254229, 2508458, 5016916, 10033832, 20067664]

約数ペア:

[(1, 20067664), (2, 10033832), (4, 5016916), (8, 2508458), (16, 1254229), (31, 647344), (62, 323672), (124, 161836), (248, 80918), (496, 40459)]