20129664

素因数分解:

$2^7\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:156

約数の個数: 128

約数和(自身を含む): 58752000

約数和(自身を除く): 38622336

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 32, 38, 48, 57, 62, 64, 76, 89, 93, 96, 114, 124, 128, 152, 178, 186, 192, 228, 248, 267, 304, 356, 372, 384, 456, 496, 534, 589, 608, 712, 744, 912, 992, 1068, 1178, 1216, 1424, 1488, 1691, 1767, 1824, 1984, 2136, 2356, 2432, 2759, 2848, 2976, 3382, 3534, 3648, 3968, 4272, 4712, 5073, 5518, 5696, 5952, 6764, 7068, 7296, 8277, 8544, 9424, 10146, 11036, 11392, 11904, 13528, 14136, 16554, 17088, 18848, 20292, 22072, 27056, 28272, 33108, 34176, 37696, 40584, 44144, 52421, 54112, 56544, 66216, 75392, 81168, 88288, 104842, 108224, 113088, 132432, 157263, 162336, 176576, 209684, 216448, 226176, 264864, 314526, 324672, 353152, 419368, 529728, 629052, 649344, 838736, 1059456, 1258104, 1677472, 2516208, 3354944, 5032416, 6709888, 10064832, 20129664]

約数ペア:

[(1, 20129664), (2, 10064832), (3, 6709888), (4, 5032416), (6, 3354944), (8, 2516208), (12, 1677472), (16, 1258104), (19, 1059456), (24, 838736), (31, 649344), (32, 629052), (38, 529728), (48, 419368), (57, 353152), (62, 324672), (64, 314526), (76, 264864), (89, 226176), (93, 216448), (96, 209684), (114, 176576), (124, 162336), (128, 157263), (152, 132432), (178, 113088), (186, 108224), (192, 104842), (228, 88288), (248, 81168), (267, 75392), (304, 66216), (356, 56544), (372, 54112), (384, 52421), (456, 44144), (496, 40584), (534, 37696), (589, 34176), (608, 33108), (712, 28272), (744, 27056), (912, 22072), (992, 20292), (1068, 18848), (1178, 17088), (1216, 16554), (1424, 14136), (1488, 13528), (1691, 11904), (1767, 11392), (1824, 11036), (1984, 10146), (2136, 9424), (2356, 8544), (2432, 8277), (2759, 7296), (2848, 7068), (2976, 6764), (3382, 5952), (3534, 5696), (3648, 5518), (3968, 5073), (4272, 4712)]