20288538

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{16823}}^1$

素因数の和:16898

約数の個数: 24

約数和(自身を含む): 44617248

約数和(自身を除く): 24328710

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 16823, 33646, 50469, 100938, 151407, 302814, 1127141, 2254282, 3381423, 6762846, 10144269, 20288538]

約数ペア:

[(1, 20288538), (2, 10144269), (3, 6762846), (6, 3381423), (9, 2254282), (18, 1127141), (67, 302814), (134, 151407), (201, 100938), (402, 50469), (603, 33646), (1206, 16823)]