20454887

素因数分解:

${\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:406

約数の個数: 16

約数和(自身を含む): 22291200

約数和(自身を除く): 1836313

約数列:

[1, 19, 59, 71, 257, 1121, 1349, 4189, 4883, 15163, 18247, 79591, 288097, 346693, 1076573, 20454887]

約数ペア:

[(1, 20454887), (19, 1076573), (59, 346693), (71, 288097), (257, 79591), (1121, 18247), (1349, 15163), (4189, 4883)]