20862390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13121}}^1$

素因数の和:13184

約数の個数: 32

約数和(自身を含む): 51018336

約数和(自身を除く): 30155946

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 13121, 26242, 39363, 65605, 78726, 131210, 196815, 393630, 695413, 1390826, 2086239, 3477065, 4172478, 6954130, 10431195, 20862390]

約数ペア:

[(1, 20862390), (2, 10431195), (3, 6954130), (5, 4172478), (6, 3477065), (10, 2086239), (15, 1390826), (30, 695413), (53, 393630), (106, 196815), (159, 131210), (265, 78726), (318, 65605), (530, 39363), (795, 26242), (1590, 13121)]