20198600

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{4391}}^1$

素因数の和:4430

約数の個数: 48

約数和(自身を含む): 49014720

約数和(自身を除く): 28816120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 184, 200, 230, 460, 575, 920, 1150, 2300, 4391, 4600, 8782, 17564, 21955, 35128, 43910, 87820, 100993, 109775, 175640, 201986, 219550, 403972, 439100, 504965, 807944, 878200, 1009930, 2019860, 2524825, 4039720, 5049650, 10099300, 20198600]

約数ペア:

[(1, 20198600), (2, 10099300), (4, 5049650), (5, 4039720), (8, 2524825), (10, 2019860), (20, 1009930), (23, 878200), (25, 807944), (40, 504965), (46, 439100), (50, 403972), (92, 219550), (100, 201986), (115, 175640), (184, 109775), (200, 100993), (230, 87820), (460, 43910), (575, 35128), (920, 21955), (1150, 17564), (2300, 8782), (4391, 4600)]