20556176

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67619}}^1$

素因数の和:67646

約数の個数: 20

約数和(自身を含む): 41924400

約数和(自身を除く): 21368224

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 67619, 135238, 270476, 540952, 1081904, 1284761, 2569522, 5139044, 10278088, 20556176]

約数ペア:

[(1, 20556176), (2, 10278088), (4, 5139044), (8, 2569522), (16, 1284761), (19, 1081904), (38, 540952), (76, 270476), (152, 135238), (304, 67619)]