20914144

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{8273}}^1$

素因数の和:8362

約数の個数: 24

約数和(自身を含む): 41700960

約数和(自身を除く): 20786816

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 316, 632, 1264, 2528, 8273, 16546, 33092, 66184, 132368, 264736, 653567, 1307134, 2614268, 5228536, 10457072, 20914144]

約数ペア:

[(1, 20914144), (2, 10457072), (4, 5228536), (8, 2614268), (16, 1307134), (32, 653567), (79, 264736), (158, 132368), (316, 66184), (632, 33092), (1264, 16546), (2528, 8273)]