20180147776

素因数分解:

$2^6\times {\mathrm{4001}}^1\times {\mathrm{78809}}^1$

素因数の和:82822

約数の個数: 28

約数和(自身を含む): 40055497740

約数和(自身を除く): 19875349964

約数列:

[1, 2, 4, 8, 16, 32, 64, 4001, 8002, 16004, 32008, 64016, 78809, 128032, 157618, 256064, 315236, 630472, 1260944, 2521888, 5043776, 315314809, 630629618, 1261259236, 2522518472, 5045036944, 10090073888, 20180147776]

約数ペア:

[(1, 20180147776), (2, 10090073888), (4, 5045036944), (8, 2522518472), (16, 1261259236), (32, 630629618), (64, 315314809), (4001, 5043776), (8002, 2521888), (16004, 1260944), (32008, 630472), (64016, 315236), (78809, 256064), (128032, 157618)]