20611473

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 29998080

約数和(自身を除く): 9386607

約数列:

[1, 3, 23, 59, 61, 69, 83, 177, 183, 249, 1357, 1403, 1909, 3599, 4071, 4209, 4897, 5063, 5727, 10797, 14691, 15189, 82777, 112631, 116449, 248331, 298717, 337893, 349347, 896151, 6870491, 20611473]

約数ペア:

[(1, 20611473), (3, 6870491), (23, 896151), (59, 349347), (61, 337893), (69, 298717), (83, 248331), (177, 116449), (183, 112631), (249, 82777), (1357, 15189), (1403, 14691), (1909, 10797), (3599, 5727), (4071, 5063), (4209, 4897)]