20046945590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{90887}}^1$

素因数の和:91061

約数の個数: 64

約数和(自身を含む): 43347032064

約数和(自身を除く): 23300086474

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 137, 161, 230, 274, 322, 685, 805, 959, 1370, 1610, 1918, 3151, 4795, 6302, 9590, 15755, 22057, 31510, 44114, 90887, 110285, 181774, 220570, 454435, 636209, 908870, 1272418, 2090401, 3181045, 4180802, 6362090, 10452005, 12451519, 14632807, 20904010, 24903038, 29265614, 62257595, 73164035, 87160633, 124515190, 146328070, 174321266, 286384937, 435803165, 572769874, 871606330, 1431924685, 2004694559, 2863849370, 4009389118, 10023472795, 20046945590]

約数ペア:

[(1, 20046945590), (2, 10023472795), (5, 4009389118), (7, 2863849370), (10, 2004694559), (14, 1431924685), (23, 871606330), (35, 572769874), (46, 435803165), (70, 286384937), (115, 174321266), (137, 146328070), (161, 124515190), (230, 87160633), (274, 73164035), (322, 62257595), (685, 29265614), (805, 24903038), (959, 20904010), (1370, 14632807), (1610, 12451519), (1918, 10452005), (3151, 6362090), (4795, 4180802), (6302, 3181045), (9590, 2090401), (15755, 1272418), (22057, 908870), (31510, 636209), (44114, 454435), (90887, 220570), (110285, 181774)]