20941635

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{751}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 39633408

約数和(自身を除く): 18691773

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 169, 195, 429, 507, 715, 751, 845, 1859, 2145, 2253, 2535, 3755, 5577, 8261, 9295, 9763, 11265, 24783, 27885, 29289, 41305, 48815, 107393, 123915, 126919, 146445, 322179, 380757, 536965, 634595, 1396109, 1610895, 1903785, 4188327, 6980545, 20941635]

約数ペア:

[(1, 20941635), (3, 6980545), (5, 4188327), (11, 1903785), (13, 1610895), (15, 1396109), (33, 634595), (39, 536965), (55, 380757), (65, 322179), (143, 146445), (165, 126919), (169, 123915), (195, 107393), (429, 48815), (507, 41305), (715, 29289), (751, 27885), (845, 24783), (1859, 11265), (2145, 9763), (2253, 9295), (2535, 8261), (3755, 5577)]