20808540872

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21857711}}^1$

素因数の和:21857741

約数の個数: 32

約数和(自身を含む): 47212657920

約数和(自身を除く): 26404117048

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 21857711, 43715422, 87430844, 153003977, 174861688, 306007954, 371581087, 612015908, 743162174, 1224031816, 1486324348, 2601067609, 2972648696, 5202135218, 10404270436, 20808540872]

約数ペア:

[(1, 20808540872), (2, 10404270436), (4, 5202135218), (7, 2972648696), (8, 2601067609), (14, 1486324348), (17, 1224031816), (28, 743162174), (34, 612015908), (56, 371581087), (68, 306007954), (119, 174861688), (136, 153003977), (238, 87430844), (476, 43715422), (952, 21857711)]