20512544

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{3793}}^1$

素因数の和:3829

約数の個数: 36

約数和(自身を含む): 43741026

約数和(自身を除く): 23228482

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 3793, 5408, 7586, 15172, 30344, 49309, 60688, 98618, 121376, 197236, 394472, 641017, 788944, 1282034, 1577888, 2564068, 5128136, 10256272, 20512544]

約数ペア:

[(1, 20512544), (2, 10256272), (4, 5128136), (8, 2564068), (13, 1577888), (16, 1282034), (26, 788944), (32, 641017), (52, 394472), (104, 197236), (169, 121376), (208, 98618), (338, 60688), (416, 49309), (676, 30344), (1352, 15172), (2704, 7586), (3793, 5408)]