20207752

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{61609}}^1$

素因数の和:61656

約数の個数: 16

約数和(自身を含む): 38814300

約数和(自身を除く): 18606548

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 61609, 123218, 246436, 492872, 2525969, 5051938, 10103876, 20207752]

約数ペア:

[(1, 20207752), (2, 10103876), (4, 5051938), (8, 2525969), (41, 492872), (82, 246436), (164, 123218), (328, 61609)]