20886812

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{751}}^1$

素因数の和:1181

約数の個数: 24

約数和(自身を含む): 38848320

約数和(自身を除く): 17961508

約数列:

[1, 2, 4, 17, 34, 68, 409, 751, 818, 1502, 1636, 3004, 6953, 12767, 13906, 25534, 27812, 51068, 307159, 614318, 1228636, 5221703, 10443406, 20886812]

約数ペア:

[(1, 20886812), (2, 10443406), (4, 5221703), (17, 1228636), (34, 614318), (68, 307159), (409, 51068), (751, 27812), (818, 25534), (1502, 13906), (1636, 12767), (3004, 6953)]