20692860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{977}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 58163616

約数和(自身を除く): 37470756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 353, 706, 977, 1059, 1412, 1765, 1954, 2118, 2931, 3530, 3908, 4236, 4885, 5295, 5862, 7060, 9770, 10590, 11724, 14655, 19540, 21180, 29310, 58620, 344881, 689762, 1034643, 1379524, 1724405, 2069286, 3448810, 4138572, 5173215, 6897620, 10346430, 20692860]

約数ペア:

[(1, 20692860), (2, 10346430), (3, 6897620), (4, 5173215), (5, 4138572), (6, 3448810), (10, 2069286), (12, 1724405), (15, 1379524), (20, 1034643), (30, 689762), (60, 344881), (353, 58620), (706, 29310), (977, 21180), (1059, 19540), (1412, 14655), (1765, 11724), (1954, 10590), (2118, 9770), (2931, 7060), (3530, 5862), (3908, 5295), (4236, 4885)]