20933392

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{76961}}^1$

素因数の和:76986

約数の個数: 20

約数和(自身を含む): 42944796

約数和(自身を除く): 22011404

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 76961, 153922, 307844, 615688, 1231376, 1308337, 2616674, 5233348, 10466696, 20933392]

約数ペア:

[(1, 20933392), (2, 10466696), (4, 5233348), (8, 2616674), (16, 1308337), (17, 1231376), (34, 615688), (68, 307844), (136, 153922), (272, 76961)]