20175467564

素因数分解:

$2^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{947}}^1\times {\mathrm{1489}}^1$

素因数の和:2527

約数の個数: 72

約数和(自身を含む): 41706065520

約数和(自身を除く): 21530597956

約数列:

[1, 2, 4, 7, 14, 28, 49, 73, 98, 146, 196, 292, 511, 947, 1022, 1489, 1894, 2044, 2978, 3577, 3788, 5956, 6629, 7154, 10423, 13258, 14308, 20846, 26516, 41692, 46403, 69131, 72961, 92806, 108697, 138262, 145922, 185612, 217394, 276524, 291844, 434788, 483917, 760879, 967834, 1410083, 1521758, 1935668, 2820166, 3043516, 3387419, 5326153, 5640332, 6774838, 9870581, 10652306, 13549676, 19741162, 21304612, 39482324, 69094067, 102936059, 138188134, 205872118, 276376268, 411744236, 720552413, 1441104826, 2882209652, 5043866891, 10087733782, 20175467564]

約数ペア:

[(1, 20175467564), (2, 10087733782), (4, 5043866891), (7, 2882209652), (14, 1441104826), (28, 720552413), (49, 411744236), (73, 276376268), (98, 205872118), (146, 138188134), (196, 102936059), (292, 69094067), (511, 39482324), (947, 21304612), (1022, 19741162), (1489, 13549676), (1894, 10652306), (2044, 9870581), (2978, 6774838), (3577, 5640332), (3788, 5326153), (5956, 3387419), (6629, 3043516), (7154, 2820166), (10423, 1935668), (13258, 1521758), (14308, 1410083), (20846, 967834), (26516, 760879), (41692, 483917), (46403, 434788), (69131, 291844), (72961, 276524), (92806, 217394), (108697, 185612), (138262, 145922)]