20702160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28753}}^1$

素因数の和:28772

約数の個数: 60

約数和(自身を含む): 69527172

約数和(自身を除く): 48825012

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28753, 57506, 86259, 115012, 143765, 172518, 230024, 258777, 287530, 345036, 431295, 460048, 517554, 575060, 690072, 862590, 1035108, 1150120, 1293885, 1380144, 1725180, 2070216, 2300240, 2587770, 3450360, 4140432, 5175540, 6900720, 10351080, 20702160]

約数ペア:

[(1, 20702160), (2, 10351080), (3, 6900720), (4, 5175540), (5, 4140432), (6, 3450360), (8, 2587770), (9, 2300240), (10, 2070216), (12, 1725180), (15, 1380144), (16, 1293885), (18, 1150120), (20, 1035108), (24, 862590), (30, 690072), (36, 575060), (40, 517554), (45, 460048), (48, 431295), (60, 345036), (72, 287530), (80, 258777), (90, 230024), (120, 172518), (144, 143765), (180, 115012), (240, 86259), (360, 57506), (720, 28753)]