20691661311

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1\times {\mathrm{1907}}^1$

素因数の和:2300

約数の個数: 48

約数和(自身を含む): 30945867264

約数和(自身を除く): 10254205953

約数列:

[1, 3, 9, 47, 113, 141, 227, 339, 423, 681, 1017, 1907, 2043, 5311, 5721, 10669, 15933, 17163, 25651, 32007, 47799, 76953, 89629, 96021, 215491, 230859, 268887, 432889, 646473, 806661, 1205597, 1298667, 1939419, 3616791, 3896001, 10128077, 10850373, 20345783, 30384231, 48916457, 61037349, 91152693, 146749371, 183112047, 440248113, 2299073479, 6897220437, 20691661311]

約数ペア:

[(1, 20691661311), (3, 6897220437), (9, 2299073479), (47, 440248113), (113, 183112047), (141, 146749371), (227, 91152693), (339, 61037349), (423, 48916457), (681, 30384231), (1017, 20345783), (1907, 10850373), (2043, 10128077), (5311, 3896001), (5721, 3616791), (10669, 1939419), (15933, 1298667), (17163, 1205597), (25651, 806661), (32007, 646473), (47799, 432889), (76953, 268887), (89629, 230859), (96021, 215491)]