20702838

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1201}}^1$

素因数の和:1249

約数の個数: 48

約数和(自身を含む): 47512656

約数和(自身を除く): 26809818

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 169, 221, 338, 442, 507, 663, 1014, 1201, 1326, 2402, 2873, 3603, 5746, 7206, 8619, 15613, 17238, 20417, 31226, 40834, 46839, 61251, 93678, 122502, 202969, 265421, 405938, 530842, 608907, 796263, 1217814, 1592526, 3450473, 6900946, 10351419, 20702838]

約数ペア:

[(1, 20702838), (2, 10351419), (3, 6900946), (6, 3450473), (13, 1592526), (17, 1217814), (26, 796263), (34, 608907), (39, 530842), (51, 405938), (78, 265421), (102, 202969), (169, 122502), (221, 93678), (338, 61251), (442, 46839), (507, 40834), (663, 31226), (1014, 20417), (1201, 17238), (1326, 15613), (2402, 8619), (2873, 7206), (3603, 5746)]