20294448

素因数分解:

$2^4\times 3^1\times {\mathrm{157}}^1\times {\mathrm{2693}}^1$

素因数の和:2861

約数の個数: 40

約数和(自身を含む): 52780848

約数和(自身を除く): 32486400

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 157, 314, 471, 628, 942, 1256, 1884, 2512, 2693, 3768, 5386, 7536, 8079, 10772, 16158, 21544, 32316, 43088, 64632, 129264, 422801, 845602, 1268403, 1691204, 2536806, 3382408, 5073612, 6764816, 10147224, 20294448]

約数ペア:

[(1, 20294448), (2, 10147224), (3, 6764816), (4, 5073612), (6, 3382408), (8, 2536806), (12, 1691204), (16, 1268403), (24, 845602), (48, 422801), (157, 129264), (314, 64632), (471, 43088), (628, 32316), (942, 21544), (1256, 16158), (1884, 10772), (2512, 8079), (2693, 7536), (3768, 5386)]