20028240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{27817}}^1$

素因数の和:27836

約数の個数: 60

約数和(自身を含む): 67263924

約数和(自身を除く): 47235684

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, 27817, 55634, 83451, 111268, 139085, 166902, 222536, 250353, 278170, 333804, 417255, 445072, 500706, 556340, 667608, 834510, 1001412, 1112680, 1251765, 1335216, 1669020, 2002824, 2225360, 2503530, 3338040, 4005648, 5007060, 6676080, 10014120, 20028240]

約数ペア:

[(1, 20028240), (2, 10014120), (3, 6676080), (4, 5007060), (5, 4005648), (6, 3338040), (8, 2503530), (9, 2225360), (10, 2002824), (12, 1669020), (15, 1335216), (16, 1251765), (18, 1112680), (20, 1001412), (24, 834510), (30, 667608), (36, 556340), (40, 500706), (45, 445072), (48, 417255), (60, 333804), (72, 278170), (80, 250353), (90, 222536), (120, 166902), (144, 139085), (180, 111268), (240, 83451), (360, 55634), (720, 27817)]