20179293885

素因数分解:

$3^4\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{38239}}^1$

素因数の和:39559

約数の個数: 40

約数和(自身を含む): 36201960960

約数和(自身を除く): 16022667075

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1303, 3909, 6515, 11727, 19545, 35181, 38239, 58635, 105543, 114717, 175905, 191195, 344151, 527715, 573585, 1032453, 1720755, 3097359, 5162265, 15486795, 49825417, 149476251, 249127085, 448428753, 747381255, 1345286259, 2242143765, 4035858777, 6726431295, 20179293885]

約数ペア:

[(1, 20179293885), (3, 6726431295), (5, 4035858777), (9, 2242143765), (15, 1345286259), (27, 747381255), (45, 448428753), (81, 249127085), (135, 149476251), (405, 49825417), (1303, 15486795), (3909, 5162265), (6515, 3097359), (11727, 1720755), (19545, 1032453), (35181, 573585), (38239, 527715), (58635, 344151), (105543, 191195), (114717, 175905)]