20012174640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{27794687}}^1$

素因数の和:27794706

約数の個数: 60

約数和(自身を含む): 67207555584

約数和(自身を除く): 47195380944

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, 27794687, 55589374, 83384061, 111178748, 138973435, 166768122, 222357496, 250152183, 277946870, 333536244, 416920305, 444714992, 500304366, 555893740, 667072488, 833840610, 1000608732, 1111787480, 1250760915, 1334144976, 1667681220, 2001217464, 2223574960, 2501521830, 3335362440, 4002434928, 5003043660, 6670724880, 10006087320, 20012174640]

約数ペア:

[(1, 20012174640), (2, 10006087320), (3, 6670724880), (4, 5003043660), (5, 4002434928), (6, 3335362440), (8, 2501521830), (9, 2223574960), (10, 2001217464), (12, 1667681220), (15, 1334144976), (16, 1250760915), (18, 1111787480), (20, 1000608732), (24, 833840610), (30, 667072488), (36, 555893740), (40, 500304366), (45, 444714992), (48, 416920305), (60, 333536244), (72, 277946870), (80, 250152183), (90, 222357496), (120, 166768122), (144, 138973435), (180, 111178748), (240, 83384061), (360, 55589374), (720, 27794687)]