20905725744

素因数分解:

$2^4\times 3^2\times {\mathrm{251}}^1\times {\mathrm{578401}}^1$

素因数の和:578666

約数の個数: 60

約数和(自身を含む): 58740193512

約数和(自身を除く): 37834467768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 251, 502, 753, 1004, 1506, 2008, 2259, 3012, 4016, 4518, 6024, 9036, 12048, 18072, 36144, 578401, 1156802, 1735203, 2313604, 3470406, 4627208, 5205609, 6940812, 9254416, 10411218, 13881624, 20822436, 27763248, 41644872, 83289744, 145178651, 290357302, 435535953, 580714604, 871071906, 1161429208, 1306607859, 1742143812, 2322858416, 2613215718, 3484287624, 5226431436, 6968575248, 10452862872, 20905725744]

約数ペア:

[(1, 20905725744), (2, 10452862872), (3, 6968575248), (4, 5226431436), (6, 3484287624), (8, 2613215718), (9, 2322858416), (12, 1742143812), (16, 1306607859), (18, 1161429208), (24, 871071906), (36, 580714604), (48, 435535953), (72, 290357302), (144, 145178651), (251, 83289744), (502, 41644872), (753, 27763248), (1004, 20822436), (1506, 13881624), (2008, 10411218), (2259, 9254416), (3012, 6940812), (4016, 5205609), (4518, 4627208), (6024, 3470406), (9036, 2313604), (12048, 1735203), (18072, 1156802), (36144, 578401)]