20199428

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 39070080

約数和(自身を除く): 18870652

約数列:

[1, 2, 4, 23, 29, 46, 58, 67, 92, 113, 116, 134, 226, 268, 452, 667, 1334, 1541, 1943, 2599, 2668, 3082, 3277, 3886, 5198, 6164, 6554, 7571, 7772, 10396, 13108, 15142, 30284, 44689, 75371, 89378, 150742, 174133, 178756, 219559, 301484, 348266, 439118, 696532, 878236, 5049857, 10099714, 20199428]

約数ペア:

[(1, 20199428), (2, 10099714), (4, 5049857), (23, 878236), (29, 696532), (46, 439118), (58, 348266), (67, 301484), (92, 219559), (113, 178756), (116, 174133), (134, 150742), (226, 89378), (268, 75371), (452, 44689), (667, 30284), (1334, 15142), (1541, 13108), (1943, 10396), (2599, 7772), (2668, 7571), (3082, 6554), (3277, 6164), (3886, 5198)]