20825272

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11779}}^1$

素因数の和:11815

約数の個数: 32

約数和(自身を含む): 44528400

約数和(自身を除く): 23703128

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 11779, 23558, 47116, 94232, 153127, 200243, 306254, 400486, 612508, 800972, 1225016, 1601944, 2603159, 5206318, 10412636, 20825272]

約数ペア:

[(1, 20825272), (2, 10412636), (4, 5206318), (8, 2603159), (13, 1601944), (17, 1225016), (26, 800972), (34, 612508), (52, 400486), (68, 306254), (104, 200243), (136, 153127), (221, 94232), (442, 47116), (884, 23558), (1768, 11779)]