20175190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{587}}^1$

素因数の和:1092

約数の個数: 32

約数和(自身を含む): 41658624

約数和(自身を除く): 21483434

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 491, 587, 982, 1174, 2455, 2935, 3437, 4109, 4910, 5870, 6874, 8218, 17185, 20545, 34370, 41090, 288217, 576434, 1441085, 2017519, 2882170, 4035038, 10087595, 20175190]

約数ペア:

[(1, 20175190), (2, 10087595), (5, 4035038), (7, 2882170), (10, 2017519), (14, 1441085), (35, 576434), (70, 288217), (491, 41090), (587, 34370), (982, 20545), (1174, 17185), (2455, 8218), (2935, 6874), (3437, 5870), (4109, 4910)]