20578013640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57161149}}^1$

素因数の和:57161166

約数の個数: 48

約数和(自身を含む): 66878545500

約数和(自身を除く): 46300531860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 57161149, 114322298, 171483447, 228644596, 285805745, 342966894, 457289192, 514450341, 571611490, 685933788, 857417235, 1028900682, 1143222980, 1371867576, 1714834470, 2057801364, 2286445960, 2572251705, 3429668940, 4115602728, 5144503410, 6859337880, 10289006820, 20578013640]

約数ペア:

[(1, 20578013640), (2, 10289006820), (3, 6859337880), (4, 5144503410), (5, 4115602728), (6, 3429668940), (8, 2572251705), (9, 2286445960), (10, 2057801364), (12, 1714834470), (15, 1371867576), (18, 1143222980), (20, 1028900682), (24, 857417235), (30, 685933788), (36, 571611490), (40, 514450341), (45, 457289192), (60, 342966894), (72, 285805745), (90, 228644596), (120, 171483447), (180, 114322298), (360, 57161149)]