20565699

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5237}}^1$

素因数の和:5275

約数の個数: 32

約数和(自身を含む): 36205056

約数和(自身を除く): 15639357

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 5237, 15711, 36659, 57607, 89029, 109977, 172821, 267087, 403249, 623203, 979319, 1209747, 1869609, 2937957, 6855233, 20565699]

約数ペア:

[(1, 20565699), (3, 6855233), (7, 2937957), (11, 1869609), (17, 1209747), (21, 979319), (33, 623203), (51, 403249), (77, 267087), (119, 172821), (187, 109977), (231, 89029), (357, 57607), (561, 36659), (1309, 15711), (3927, 5237)]