20913696

素因数分解:

$2^5\times 3^2\times {\mathrm{72617}}^1$

素因数の和:72633

約数の個数: 36

約数和(自身を含む): 59474142

約数和(自身を除く): 38560446

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 72617, 145234, 217851, 290468, 435702, 580936, 653553, 871404, 1161872, 1307106, 1742808, 2323744, 2614212, 3485616, 5228424, 6971232, 10456848, 20913696]

約数ペア:

[(1, 20913696), (2, 10456848), (3, 6971232), (4, 5228424), (6, 3485616), (8, 2614212), (9, 2323744), (12, 1742808), (16, 1307106), (18, 1161872), (24, 871404), (32, 653553), (36, 580936), (48, 435702), (72, 290468), (96, 217851), (144, 145234), (288, 72617)]