20328028

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{8747}}^1$

素因数の和:8841

約数の個数: 24

約数和(自身を含む): 41150592

約数和(自身を除く): 20822564

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 8747, 17494, 34988, 61229, 122458, 244916, 726001, 1452002, 2904004, 5082007, 10164014, 20328028]

約数ペア:

[(1, 20328028), (2, 10164014), (4, 5082007), (7, 2904004), (14, 1452002), (28, 726001), (83, 244916), (166, 122458), (332, 61229), (581, 34988), (1162, 17494), (2324, 8747)]