220163984

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{443879}}^1$

素因数の和:443918

約数の個数: 20

約数和(自身を含む): 440328960

約数和(自身を除く): 220164976

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 443879, 887758, 1775516, 3551032, 7102064, 13760249, 27520498, 55040996, 110081992, 220163984]

約数ペア:

[(1, 220163984), (2, 110081992), (4, 55040996), (8, 27520498), (16, 13760249), (31, 7102064), (62, 3551032), (124, 1775516), (248, 887758), (496, 443879)]