20587906

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{17477}}^1$

素因数の和:17529

約数の個数: 16

約数和(自身を含む): 33557760

約数和(自身を除く): 12969854

約数列:

[1, 2, 19, 31, 38, 62, 589, 1178, 17477, 34954, 332063, 541787, 664126, 1083574, 10293953, 20587906]

約数ペア:

[(1, 20587906), (2, 10293953), (19, 1083574), (31, 664126), (38, 541787), (62, 332063), (589, 34954), (1178, 17477)]