20946636

素因数分解:

$2^2\times 3^2\times {\mathrm{401}}^1\times {\mathrm{1451}}^1$

素因数の和:1862

約数の個数: 36

約数和(自身を含む): 53117064

約数和(自身を除く): 32170428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 401, 802, 1203, 1451, 1604, 2406, 2902, 3609, 4353, 4812, 5804, 7218, 8706, 13059, 14436, 17412, 26118, 52236, 581851, 1163702, 1745553, 2327404, 3491106, 5236659, 6982212, 10473318, 20946636]

約数ペア:

[(1, 20946636), (2, 10473318), (3, 6982212), (4, 5236659), (6, 3491106), (9, 2327404), (12, 1745553), (18, 1163702), (36, 581851), (401, 52236), (802, 26118), (1203, 17412), (1451, 14436), (1604, 13059), (2406, 8706), (2902, 7218), (3609, 5804), (4353, 4812)]