20947086

素因数分解:

$2^1\times 3^7\times {\mathrm{4789}}^1$

素因数の和:4812

約数の個数: 32

約数和(自身を含む): 47133600

約数和(自身を除く): 26186514

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 2187, 4374, 4789, 9578, 14367, 28734, 43101, 86202, 129303, 258606, 387909, 775818, 1163727, 2327454, 3491181, 6982362, 10473543, 20947086]

約数ペア:

[(1, 20947086), (2, 10473543), (3, 6982362), (6, 3491181), (9, 2327454), (18, 1163727), (27, 775818), (54, 387909), (81, 258606), (162, 129303), (243, 86202), (486, 43101), (729, 28734), (1458, 14367), (2187, 9578), (4374, 4789)]