20804972432

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{138493}}^1$

素因数の和:138771

約数の個数: 40

約数和(自身を含む): 41473413240

約数和(自身を除く): 20668440808

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 229, 328, 458, 656, 916, 1832, 3664, 9389, 18778, 37556, 75112, 138493, 150224, 276986, 553972, 1107944, 2215888, 5678213, 11356426, 22712852, 31714897, 45425704, 63429794, 90851408, 126859588, 253719176, 507438352, 1300310777, 2600621554, 5201243108, 10402486216, 20804972432]

約数ペア:

[(1, 20804972432), (2, 10402486216), (4, 5201243108), (8, 2600621554), (16, 1300310777), (41, 507438352), (82, 253719176), (164, 126859588), (229, 90851408), (328, 63429794), (458, 45425704), (656, 31714897), (916, 22712852), (1832, 11356426), (3664, 5678213), (9389, 2215888), (18778, 1107944), (37556, 553972), (75112, 276986), (138493, 150224)]