20120562

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1613}}^1$

素因数の和:1645

約数の個数: 80

約数和(自身を含む): 56244672

約数和(自身を除く): 36124110

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 81, 99, 126, 154, 162, 189, 198, 231, 297, 378, 462, 567, 594, 693, 891, 1134, 1386, 1613, 1782, 2079, 3226, 4158, 4839, 6237, 9678, 11291, 12474, 14517, 17743, 22582, 29034, 33873, 35486, 43551, 53229, 67746, 87102, 101619, 106458, 124201, 130653, 159687, 203238, 248402, 261306, 304857, 319374, 372603, 479061, 609714, 745206, 914571, 958122, 1117809, 1437183, 1829142, 2235618, 2874366, 3353427, 6706854, 10060281, 20120562]

約数ペア:

[(1, 20120562), (2, 10060281), (3, 6706854), (6, 3353427), (7, 2874366), (9, 2235618), (11, 1829142), (14, 1437183), (18, 1117809), (21, 958122), (22, 914571), (27, 745206), (33, 609714), (42, 479061), (54, 372603), (63, 319374), (66, 304857), (77, 261306), (81, 248402), (99, 203238), (126, 159687), (154, 130653), (162, 124201), (189, 106458), (198, 101619), (231, 87102), (297, 67746), (378, 53229), (462, 43551), (567, 35486), (594, 33873), (693, 29034), (891, 22582), (1134, 17743), (1386, 14517), (1613, 12474), (1782, 11291), (2079, 9678), (3226, 6237), (4158, 4839)]