20496996

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{1123}}^1$

素因数の和:1162

約数の個数: 72

約数和(自身を含む): 57593760

約数和(自身を除く): 37096764

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 169, 234, 338, 351, 468, 507, 676, 702, 1014, 1123, 1404, 1521, 2028, 2246, 3042, 3369, 4492, 4563, 6084, 6738, 9126, 10107, 13476, 14599, 18252, 20214, 29198, 30321, 40428, 43797, 58396, 60642, 87594, 121284, 131391, 175188, 189787, 262782, 379574, 394173, 525564, 569361, 759148, 788346, 1138722, 1576692, 1708083, 2277444, 3416166, 5124249, 6832332, 10248498, 20496996]

約数ペア:

[(1, 20496996), (2, 10248498), (3, 6832332), (4, 5124249), (6, 3416166), (9, 2277444), (12, 1708083), (13, 1576692), (18, 1138722), (26, 788346), (27, 759148), (36, 569361), (39, 525564), (52, 394173), (54, 379574), (78, 262782), (108, 189787), (117, 175188), (156, 131391), (169, 121284), (234, 87594), (338, 60642), (351, 58396), (468, 43797), (507, 40428), (676, 30321), (702, 29198), (1014, 20214), (1123, 18252), (1404, 14599), (1521, 13476), (2028, 10107), (2246, 9126), (3042, 6738), (3369, 6084), (4492, 4563)]