20121696009

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{8389}}^1$

素因数の和:8730

約数の個数: 48

約数和(自身を含む): 31404306960

約数和(自身を除く): 11282610951

約数列:

[1, 3, 9, 17, 51, 61, 153, 183, 257, 549, 771, 1037, 2313, 3111, 4369, 8389, 9333, 13107, 15677, 25167, 39321, 47031, 75501, 141093, 142613, 266509, 427839, 511729, 799527, 1283517, 1535187, 2155973, 2398581, 4605561, 6467919, 8699393, 19403757, 26098179, 36651541, 78294537, 109954623, 131514353, 329863869, 394543059, 1183629177, 2235744001, 6707232003, 20121696009]

約数ペア:

[(1, 20121696009), (3, 6707232003), (9, 2235744001), (17, 1183629177), (51, 394543059), (61, 329863869), (153, 131514353), (183, 109954623), (257, 78294537), (549, 36651541), (771, 26098179), (1037, 19403757), (2313, 8699393), (3111, 6467919), (4369, 4605561), (8389, 2398581), (9333, 2155973), (13107, 1535187), (15677, 1283517), (25167, 799527), (39321, 511729), (47031, 427839), (75501, 266509), (141093, 142613)]