20808280568

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{1721}}^1\times {\mathrm{88903}}^1$

素因数の和:90647

約数の個数: 32

約数和(自身を含む): 41335025760

約数和(自身を除く): 20526745192

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 1721, 3442, 6884, 13768, 29257, 58514, 88903, 117028, 177806, 234056, 355612, 711224, 1511351, 3022702, 6045404, 12090808, 153002063, 306004126, 612008252, 1224016504, 2601035071, 5202070142, 10404140284, 20808280568]

約数ペア:

[(1, 20808280568), (2, 10404140284), (4, 5202070142), (8, 2601035071), (17, 1224016504), (34, 612008252), (68, 306004126), (136, 153002063), (1721, 12090808), (3442, 6045404), (6884, 3022702), (13768, 1511351), (29257, 711224), (58514, 355612), (88903, 234056), (117028, 177806)]