20647656

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{5623}}^1$

素因数の和:5655

約数の個数: 64

約数和(自身を含む): 60739200

約数和(自身を除く): 40091544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 102, 108, 136, 153, 204, 216, 306, 408, 459, 612, 918, 1224, 1836, 3672, 5623, 11246, 16869, 22492, 33738, 44984, 50607, 67476, 95591, 101214, 134952, 151821, 191182, 202428, 286773, 303642, 382364, 404856, 573546, 607284, 764728, 860319, 1147092, 1214568, 1720638, 2294184, 2580957, 3441276, 5161914, 6882552, 10323828, 20647656]

約数ペア:

[(1, 20647656), (2, 10323828), (3, 6882552), (4, 5161914), (6, 3441276), (8, 2580957), (9, 2294184), (12, 1720638), (17, 1214568), (18, 1147092), (24, 860319), (27, 764728), (34, 607284), (36, 573546), (51, 404856), (54, 382364), (68, 303642), (72, 286773), (102, 202428), (108, 191182), (136, 151821), (153, 134952), (204, 101214), (216, 95591), (306, 67476), (408, 50607), (459, 44984), (612, 33738), (918, 22492), (1224, 16869), (1836, 11246), (3672, 5623)]