20117136

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 56690816

約数和(自身を除く): 36573680

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 103, 104, 156, 206, 208, 309, 312, 313, 412, 618, 624, 626, 824, 939, 1236, 1252, 1339, 1648, 1878, 2472, 2504, 2678, 3756, 4017, 4069, 4944, 5008, 5356, 7512, 8034, 8138, 10712, 12207, 15024, 16068, 16276, 21424, 24414, 32136, 32239, 32552, 48828, 64272, 64478, 65104, 96717, 97656, 128956, 193434, 195312, 257912, 386868, 419107, 515824, 773736, 838214, 1257321, 1547472, 1676428, 2514642, 3352856, 5029284, 6705712, 10058568, 20117136]

約数ペア:

[(1, 20117136), (2, 10058568), (3, 6705712), (4, 5029284), (6, 3352856), (8, 2514642), (12, 1676428), (13, 1547472), (16, 1257321), (24, 838214), (26, 773736), (39, 515824), (48, 419107), (52, 386868), (78, 257912), (103, 195312), (104, 193434), (156, 128956), (206, 97656), (208, 96717), (309, 65104), (312, 64478), (313, 64272), (412, 48828), (618, 32552), (624, 32239), (626, 32136), (824, 24414), (939, 21424), (1236, 16276), (1252, 16068), (1339, 15024), (1648, 12207), (1878, 10712), (2472, 8138), (2504, 8034), (2678, 7512), (3756, 5356), (4017, 5008), (4069, 4944)]