20962305

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5119}}^1$

素因数の和:5150

約数の個数: 48

約数和(自身を含む): 44728320

約数和(自身を除く): 23766015

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 5119, 15357, 25595, 35833, 46071, 66547, 76785, 107499, 179165, 199641, 230355, 322497, 332735, 465829, 537495, 598923, 998205, 1397487, 1612485, 2329145, 2994615, 4192461, 6987435, 20962305]

約数ペア:

[(1, 20962305), (3, 6987435), (5, 4192461), (7, 2994615), (9, 2329145), (13, 1612485), (15, 1397487), (21, 998205), (35, 598923), (39, 537495), (45, 465829), (63, 332735), (65, 322497), (91, 230355), (105, 199641), (117, 179165), (195, 107499), (273, 76785), (315, 66547), (455, 46071), (585, 35833), (819, 25595), (1365, 15357), (4095, 5119)]