20145552680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45785347}}^1$

素因数の和:45785369

約数の個数: 32

約数和(自身を含む): 49448175840

約数和(自身を除く): 29302623160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 45785347, 91570694, 183141388, 228926735, 366282776, 457853470, 503638817, 915706940, 1007277634, 1831413880, 2014555268, 2518194085, 4029110536, 5036388170, 10072776340, 20145552680]

約数ペア:

[(1, 20145552680), (2, 10072776340), (4, 5036388170), (5, 4029110536), (8, 2518194085), (10, 2014555268), (11, 1831413880), (20, 1007277634), (22, 915706940), (40, 503638817), (44, 457853470), (55, 366282776), (88, 228926735), (110, 183141388), (220, 91570694), (440, 45785347)]