20454688

素因数分解:

$2^5\times {\mathrm{179}}^1\times {\mathrm{3571}}^1$

素因数の和:3760

約数の個数: 24

約数和(自身を含む): 40506480

約数和(自身を除く): 20051792

約数列:

[1, 2, 4, 8, 16, 32, 179, 358, 716, 1432, 2864, 3571, 5728, 7142, 14284, 28568, 57136, 114272, 639209, 1278418, 2556836, 5113672, 10227344, 20454688]

約数ペア:

[(1, 20454688), (2, 10227344), (4, 5113672), (8, 2556836), (16, 1278418), (32, 639209), (179, 114272), (358, 57136), (716, 28568), (1432, 14284), (2864, 7142), (3571, 5728)]