20304856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17749}}^1$

素因数の和:17779

約数の個数: 32

約数和(自身を含む): 44730000

約数和(自身を除く): 24425144

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17749, 35498, 70996, 141992, 195239, 230737, 390478, 461474, 780956, 922948, 1561912, 1845896, 2538107, 5076214, 10152428, 20304856]

約数ペア:

[(1, 20304856), (2, 10152428), (4, 5076214), (8, 2538107), (11, 1845896), (13, 1561912), (22, 922948), (26, 780956), (44, 461474), (52, 390478), (88, 230737), (104, 195239), (143, 141992), (286, 70996), (572, 35498), (1144, 17749)]