20681044

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{16007}}^1$

素因数の和:16047

約数の個数: 24

約数和(自身を含む): 40340160

約数和(自身を除く): 19659116

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 16007, 32014, 64028, 272119, 304133, 544238, 608266, 1088476, 1216532, 5170261, 10340522, 20681044]

約数ペア:

[(1, 20681044), (2, 10340522), (4, 5170261), (17, 1216532), (19, 1088476), (34, 608266), (38, 544238), (68, 304133), (76, 272119), (323, 64028), (646, 32014), (1292, 16007)]