20112497208

素因数分解:

$2^3\times 3^3\times {\mathrm{257}}^1\times {\mathrm{362309}}^1$

素因数の和:362581

約数の個数: 64

約数和(自身を含む): 56085588000

約数和(自身を除く): 35973090792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 257, 514, 771, 1028, 1542, 2056, 2313, 3084, 4626, 6168, 6939, 9252, 13878, 18504, 27756, 55512, 362309, 724618, 1086927, 1449236, 2173854, 2898472, 3260781, 4347708, 6521562, 8695416, 9782343, 13043124, 19564686, 26086248, 39129372, 78258744, 93113413, 186226826, 279340239, 372453652, 558680478, 744907304, 838020717, 1117360956, 1676041434, 2234721912, 2514062151, 3352082868, 5028124302, 6704165736, 10056248604, 20112497208]

約数ペア:

[(1, 20112497208), (2, 10056248604), (3, 6704165736), (4, 5028124302), (6, 3352082868), (8, 2514062151), (9, 2234721912), (12, 1676041434), (18, 1117360956), (24, 838020717), (27, 744907304), (36, 558680478), (54, 372453652), (72, 279340239), (108, 186226826), (216, 93113413), (257, 78258744), (514, 39129372), (771, 26086248), (1028, 19564686), (1542, 13043124), (2056, 9782343), (2313, 8695416), (3084, 6521562), (4626, 4347708), (6168, 3260781), (6939, 2898472), (9252, 2173854), (13878, 1449236), (18504, 1086927), (27756, 724618), (55512, 362309)]