20190688

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3919}}^1$

素因数の和:3959

約数の個数: 48

約数和(自身を含む): 47416320

約数和(自身を除く): 27225632

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 112, 161, 184, 224, 322, 368, 644, 736, 1288, 2576, 3919, 5152, 7838, 15676, 27433, 31352, 54866, 62704, 90137, 109732, 125408, 180274, 219464, 360548, 438928, 630959, 721096, 877856, 1261918, 1442192, 2523836, 2884384, 5047672, 10095344, 20190688]

約数ペア:

[(1, 20190688), (2, 10095344), (4, 5047672), (7, 2884384), (8, 2523836), (14, 1442192), (16, 1261918), (23, 877856), (28, 721096), (32, 630959), (46, 438928), (56, 360548), (92, 219464), (112, 180274), (161, 125408), (184, 109732), (224, 90137), (322, 62704), (368, 54866), (644, 31352), (736, 27433), (1288, 15676), (2576, 7838), (3919, 5152)]