20481672780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1558727}}^1$

素因数の和:1558815

約数の個数: 72

約数和(自身を含む): 62978846112

約数和(自身を除く): 42497173332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 219, 292, 365, 438, 657, 730, 876, 1095, 1314, 1460, 2190, 2628, 3285, 4380, 6570, 13140, 1558727, 3117454, 4676181, 6234908, 7793635, 9352362, 14028543, 15587270, 18704724, 23380905, 28057086, 31174540, 46761810, 56114172, 70142715, 93523620, 113787071, 140285430, 227574142, 280570860, 341361213, 455148284, 568935355, 682722426, 1024083639, 1137870710, 1365444852, 1706806065, 2048167278, 2275741420, 3413612130, 4096334556, 5120418195, 6827224260, 10240836390, 20481672780]

約数ペア:

[(1, 20481672780), (2, 10240836390), (3, 6827224260), (4, 5120418195), (5, 4096334556), (6, 3413612130), (9, 2275741420), (10, 2048167278), (12, 1706806065), (15, 1365444852), (18, 1137870710), (20, 1024083639), (30, 682722426), (36, 568935355), (45, 455148284), (60, 341361213), (73, 280570860), (90, 227574142), (146, 140285430), (180, 113787071), (219, 93523620), (292, 70142715), (365, 56114172), (438, 46761810), (657, 31174540), (730, 28057086), (876, 23380905), (1095, 18704724), (1314, 15587270), (1460, 14028543), (2190, 9352362), (2628, 7793635), (3285, 6234908), (4380, 4676181), (6570, 3117454), (13140, 1558727)]