20191287736

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{381659}}^1$

素因数の和:382071

約数の個数: 32

約数和(自身を含む): 40188798000

約数和(自身を除く): 19997510264

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 389, 778, 1556, 3112, 6613, 13226, 26452, 52904, 381659, 763318, 1526636, 3053272, 6488203, 12976406, 25952812, 51905624, 148465351, 296930702, 593861404, 1187722808, 2523910967, 5047821934, 10095643868, 20191287736]

約数ペア:

[(1, 20191287736), (2, 10095643868), (4, 5047821934), (8, 2523910967), (17, 1187722808), (34, 593861404), (68, 296930702), (136, 148465351), (389, 51905624), (778, 25952812), (1556, 12976406), (3112, 6488203), (6613, 3053272), (13226, 1526636), (26452, 763318), (52904, 381659)]