20468366945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1\times {\mathrm{38671}}^1$

素因数の和:39185

約数の個数: 32

約数和(自身を含む): 28066590720

約数和(自身を除く): 7598223775

約数列:

[1, 5, 13, 17, 65, 85, 221, 479, 1105, 2395, 6227, 8143, 31135, 38671, 40715, 105859, 193355, 502723, 529295, 657407, 2513615, 3287035, 8546291, 18523409, 42731455, 92617045, 240804317, 314897953, 1204021585, 1574489765, 4093673389, 20468366945]

約数ペア:

[(1, 20468366945), (5, 4093673389), (13, 1574489765), (17, 1204021585), (65, 314897953), (85, 240804317), (221, 92617045), (479, 42731455), (1105, 18523409), (2395, 8546291), (6227, 3287035), (8143, 2513615), (31135, 657407), (38671, 529295), (40715, 502723), (105859, 193355)]