20086884

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:521

約数の個数: 72

約数和(自身を含む): 53813760

約数和(自身を除く): 33726876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 41, 62, 82, 93, 123, 124, 164, 186, 246, 279, 369, 372, 439, 492, 558, 738, 878, 1116, 1271, 1317, 1476, 1756, 2542, 2634, 3813, 3951, 5084, 5268, 7626, 7902, 11439, 13609, 15252, 15804, 17999, 22878, 27218, 35998, 40827, 45756, 53997, 54436, 71996, 81654, 107994, 122481, 161991, 163308, 215988, 244962, 323982, 489924, 557969, 647964, 1115938, 1673907, 2231876, 3347814, 5021721, 6695628, 10043442, 20086884]

約数ペア:

[(1, 20086884), (2, 10043442), (3, 6695628), (4, 5021721), (6, 3347814), (9, 2231876), (12, 1673907), (18, 1115938), (31, 647964), (36, 557969), (41, 489924), (62, 323982), (82, 244962), (93, 215988), (123, 163308), (124, 161991), (164, 122481), (186, 107994), (246, 81654), (279, 71996), (369, 54436), (372, 53997), (439, 45756), (492, 40827), (558, 35998), (738, 27218), (878, 22878), (1116, 17999), (1271, 15804), (1317, 15252), (1476, 13609), (1756, 11439), (2542, 7902), (2634, 7626), (3813, 5268), (3951, 5084)]