20729808

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{569}}^1$

素因数の和:617

約数の個数: 120

約数和(自身を含む): 66156480

約数和(自身を除く): 45426672

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 23, 24, 33, 36, 44, 46, 48, 66, 69, 72, 88, 92, 99, 132, 138, 144, 176, 184, 198, 207, 253, 264, 276, 368, 396, 414, 506, 528, 552, 569, 759, 792, 828, 1012, 1104, 1138, 1518, 1584, 1656, 1707, 2024, 2276, 2277, 3036, 3312, 3414, 4048, 4552, 4554, 5121, 6072, 6259, 6828, 9104, 9108, 10242, 12144, 12518, 13087, 13656, 18216, 18777, 20484, 25036, 26174, 27312, 36432, 37554, 39261, 40968, 50072, 52348, 56331, 75108, 78522, 81936, 100144, 104696, 112662, 117783, 143957, 150216, 157044, 209392, 225324, 235566, 287914, 300432, 314088, 431871, 450648, 471132, 575828, 628176, 863742, 901296, 942264, 1151656, 1295613, 1727484, 1884528, 2303312, 2591226, 3454968, 5182452, 6909936, 10364904, 20729808]

約数ペア:

[(1, 20729808), (2, 10364904), (3, 6909936), (4, 5182452), (6, 3454968), (8, 2591226), (9, 2303312), (11, 1884528), (12, 1727484), (16, 1295613), (18, 1151656), (22, 942264), (23, 901296), (24, 863742), (33, 628176), (36, 575828), (44, 471132), (46, 450648), (48, 431871), (66, 314088), (69, 300432), (72, 287914), (88, 235566), (92, 225324), (99, 209392), (132, 157044), (138, 150216), (144, 143957), (176, 117783), (184, 112662), (198, 104696), (207, 100144), (253, 81936), (264, 78522), (276, 75108), (368, 56331), (396, 52348), (414, 50072), (506, 40968), (528, 39261), (552, 37554), (569, 36432), (759, 27312), (792, 26174), (828, 25036), (1012, 20484), (1104, 18777), (1138, 18216), (1518, 13656), (1584, 13087), (1656, 12518), (1707, 12144), (2024, 10242), (2276, 9108), (2277, 9104), (3036, 6828), (3312, 6259), (3414, 6072), (4048, 5121), (4552, 4554)]