20722816

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{7039}}^1$

素因数の和:7076

約数の個数: 32

約数和(自身を含む): 43084800

約数和(自身を除く): 22361984

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 368, 736, 1472, 2944, 7039, 14078, 28156, 56312, 112624, 161897, 225248, 323794, 450496, 647588, 900992, 1295176, 2590352, 5180704, 10361408, 20722816]

約数ペア:

[(1, 20722816), (2, 10361408), (4, 5180704), (8, 2590352), (16, 1295176), (23, 900992), (32, 647588), (46, 450496), (64, 323794), (92, 225248), (128, 161897), (184, 112624), (368, 56312), (736, 28156), (1472, 14078), (2944, 7039)]