20721696

素因数分解:

$2^5\times 3^1\times {\mathrm{215851}}^1$

素因数の和:215864

約数の個数: 24

約数和(自身を含む): 54394704

約数和(自身を除く): 33673008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 215851, 431702, 647553, 863404, 1295106, 1726808, 2590212, 3453616, 5180424, 6907232, 10360848, 20721696]

約数ペア:

[(1, 20721696), (2, 10360848), (3, 6907232), (4, 5180424), (6, 3453616), (8, 2590212), (12, 1726808), (16, 1295106), (24, 863404), (32, 647553), (48, 431702), (96, 215851)]