20802856

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{677}}^1$

素因数の和:873

約数の個数: 32

約数和(自身を含む): 41005440

約数和(自身を除く): 20202584

約数列:

[1, 2, 4, 8, 23, 46, 92, 167, 184, 334, 668, 677, 1336, 1354, 2708, 3841, 5416, 7682, 15364, 15571, 30728, 31142, 62284, 113059, 124568, 226118, 452236, 904472, 2600357, 5200714, 10401428, 20802856]

約数ペア:

[(1, 20802856), (2, 10401428), (4, 5200714), (8, 2600357), (23, 904472), (46, 452236), (92, 226118), (167, 124568), (184, 113059), (334, 62284), (668, 31142), (677, 30728), (1336, 15571), (1354, 15364), (2708, 7682), (3841, 5416)]