20351448

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1279}}^1$

素因数の和:1321

約数の個数: 96

約数和(自身を含む): 62899200

約数和(自身を除く): 42547752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 24, 26, 34, 36, 39, 51, 52, 68, 72, 78, 102, 104, 117, 136, 153, 156, 204, 221, 234, 306, 312, 408, 442, 468, 612, 663, 884, 936, 1224, 1279, 1326, 1768, 1989, 2558, 2652, 3837, 3978, 5116, 5304, 7674, 7956, 10232, 11511, 15348, 15912, 16627, 21743, 23022, 30696, 33254, 43486, 46044, 49881, 65229, 66508, 86972, 92088, 99762, 130458, 133016, 149643, 173944, 195687, 199524, 260916, 282659, 299286, 391374, 399048, 521832, 565318, 598572, 782748, 847977, 1130636, 1197144, 1565496, 1695954, 2261272, 2543931, 3391908, 5087862, 6783816, 10175724, 20351448]

約数ペア:

[(1, 20351448), (2, 10175724), (3, 6783816), (4, 5087862), (6, 3391908), (8, 2543931), (9, 2261272), (12, 1695954), (13, 1565496), (17, 1197144), (18, 1130636), (24, 847977), (26, 782748), (34, 598572), (36, 565318), (39, 521832), (51, 399048), (52, 391374), (68, 299286), (72, 282659), (78, 260916), (102, 199524), (104, 195687), (117, 173944), (136, 149643), (153, 133016), (156, 130458), (204, 99762), (221, 92088), (234, 86972), (306, 66508), (312, 65229), (408, 49881), (442, 46044), (468, 43486), (612, 33254), (663, 30696), (884, 23022), (936, 21743), (1224, 16627), (1279, 15912), (1326, 15348), (1768, 11511), (1989, 10232), (2558, 7956), (2652, 7674), (3837, 5304), (3978, 5116)]