20159416

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{653}}^1$

素因数の和:903

約数の個数: 32

約数和(自身を含む): 40260240

約数和(自身を除く): 20100824

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 227, 454, 653, 908, 1306, 1816, 2612, 3859, 5224, 7718, 11101, 15436, 22202, 30872, 44404, 88808, 148231, 296462, 592924, 1185848, 2519927, 5039854, 10079708, 20159416]

約数ペア:

[(1, 20159416), (2, 10079708), (4, 5039854), (8, 2519927), (17, 1185848), (34, 592924), (68, 296462), (136, 148231), (227, 88808), (454, 44404), (653, 30872), (908, 22202), (1306, 15436), (1816, 11101), (2612, 7718), (3859, 5224)]