20807009524

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{232439}}^1$

素因数の和:232612

約数の個数: 48

約数和(自身を含む): 43735910400

約数和(自身を除く): 22928900876

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 139, 161, 278, 322, 556, 644, 973, 1946, 3197, 3892, 6394, 12788, 22379, 44758, 89516, 232439, 464878, 929756, 1627073, 3254146, 5346097, 6508292, 10692194, 21384388, 32309021, 37422679, 64618042, 74845358, 129236084, 149690716, 226163147, 452326294, 743107483, 904652588, 1486214966, 2972429932, 5201752381, 10403504762, 20807009524]

約数ペア:

[(1, 20807009524), (2, 10403504762), (4, 5201752381), (7, 2972429932), (14, 1486214966), (23, 904652588), (28, 743107483), (46, 452326294), (92, 226163147), (139, 149690716), (161, 129236084), (278, 74845358), (322, 64618042), (556, 37422679), (644, 32309021), (973, 21384388), (1946, 10692194), (3197, 6508292), (3892, 5346097), (6394, 3254146), (12788, 1627073), (22379, 929756), (44758, 464878), (89516, 232439)]