20449206

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^2\times {\mathrm{1049}}^1$

素因数の和:1098

約数の個数: 48

約数和(自身を含む): 48006000

約数和(自身を除く): 27556794

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 361, 513, 722, 1026, 1049, 1083, 2098, 2166, 3147, 3249, 6294, 6498, 9441, 9747, 18882, 19494, 19931, 28323, 39862, 56646, 59793, 119586, 179379, 358758, 378689, 538137, 757378, 1076274, 1136067, 2272134, 3408201, 6816402, 10224603, 20449206]

約数ペア:

[(1, 20449206), (2, 10224603), (3, 6816402), (6, 3408201), (9, 2272134), (18, 1136067), (19, 1076274), (27, 757378), (38, 538137), (54, 378689), (57, 358758), (114, 179379), (171, 119586), (342, 59793), (361, 56646), (513, 39862), (722, 28323), (1026, 19931), (1049, 19494), (1083, 18882), (2098, 9747), (2166, 9441), (3147, 6498), (3249, 6294)]