20945056

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:557

約数の個数: 48

約数和(自身を含む): 45390240

約数和(自身を除く): 24445184

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 157, 176, 314, 352, 379, 628, 758, 1256, 1516, 1727, 2512, 3032, 3454, 4169, 5024, 6064, 6908, 8338, 12128, 13816, 16676, 27632, 33352, 55264, 59503, 66704, 119006, 133408, 238012, 476024, 654533, 952048, 1309066, 1904096, 2618132, 5236264, 10472528, 20945056]

約数ペア:

[(1, 20945056), (2, 10472528), (4, 5236264), (8, 2618132), (11, 1904096), (16, 1309066), (22, 952048), (32, 654533), (44, 476024), (88, 238012), (157, 133408), (176, 119006), (314, 66704), (352, 59503), (379, 55264), (628, 33352), (758, 27632), (1256, 16676), (1516, 13816), (1727, 12128), (2512, 8338), (3032, 6908), (3454, 6064), (4169, 5024)]