20045568

素因数分解:

$2^8\times 3^1\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:669

約数の個数: 72

約数和(自身を含む): 54681088

約数和(自身を除く): 34635520

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 128, 129, 172, 192, 256, 258, 344, 384, 516, 607, 688, 768, 1032, 1214, 1376, 1821, 2064, 2428, 2752, 3642, 4128, 4856, 5504, 7284, 8256, 9712, 11008, 14568, 16512, 19424, 26101, 29136, 33024, 38848, 52202, 58272, 77696, 78303, 104404, 116544, 155392, 156606, 208808, 233088, 313212, 417616, 466176, 626424, 835232, 1252848, 1670464, 2505696, 3340928, 5011392, 6681856, 10022784, 20045568]

約数ペア:

[(1, 20045568), (2, 10022784), (3, 6681856), (4, 5011392), (6, 3340928), (8, 2505696), (12, 1670464), (16, 1252848), (24, 835232), (32, 626424), (43, 466176), (48, 417616), (64, 313212), (86, 233088), (96, 208808), (128, 156606), (129, 155392), (172, 116544), (192, 104404), (256, 78303), (258, 77696), (344, 58272), (384, 52202), (516, 38848), (607, 33024), (688, 29136), (768, 26101), (1032, 19424), (1214, 16512), (1376, 14568), (1821, 11008), (2064, 9712), (2428, 8256), (2752, 7284), (3642, 5504), (4128, 4856)]