20038480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3253}}^1$

素因数の和:3284

約数の個数: 80

約数和(自身を含む): 58103424

約数和(自身を除く): 38064944

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 3253, 6160, 6506, 13012, 16265, 22771, 26024, 32530, 35783, 45542, 52048, 65060, 71566, 91084, 113855, 130120, 143132, 178915, 182168, 227710, 250481, 260240, 286264, 357830, 364336, 455420, 500962, 572528, 715660, 910840, 1001924, 1252405, 1431320, 1821680, 2003848, 2504810, 2862640, 4007696, 5009620, 10019240, 20038480]

約数ペア:

[(1, 20038480), (2, 10019240), (4, 5009620), (5, 4007696), (7, 2862640), (8, 2504810), (10, 2003848), (11, 1821680), (14, 1431320), (16, 1252405), (20, 1001924), (22, 910840), (28, 715660), (35, 572528), (40, 500962), (44, 455420), (55, 364336), (56, 357830), (70, 286264), (77, 260240), (80, 250481), (88, 227710), (110, 182168), (112, 178915), (140, 143132), (154, 130120), (176, 113855), (220, 91084), (280, 71566), (308, 65060), (385, 52048), (440, 45542), (560, 35783), (616, 32530), (770, 26024), (880, 22771), (1232, 16265), (1540, 13012), (3080, 6506), (3253, 6160)]