20642448

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:304

約数の個数: 80

約数和(自身を含む): 55978560

約数和(自身を除く): 35336112

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 59, 74, 111, 118, 148, 177, 197, 222, 236, 296, 354, 394, 444, 472, 591, 592, 708, 788, 888, 944, 1182, 1416, 1576, 1776, 2183, 2364, 2832, 3152, 4366, 4728, 6549, 7289, 8732, 9456, 11623, 13098, 14578, 17464, 21867, 23246, 26196, 29156, 34869, 34928, 43734, 46492, 52392, 58312, 69738, 87468, 92984, 104784, 116624, 139476, 174936, 185968, 278952, 349872, 430051, 557904, 860102, 1290153, 1720204, 2580306, 3440408, 5160612, 6880816, 10321224, 20642448]

約数ペア:

[(1, 20642448), (2, 10321224), (3, 6880816), (4, 5160612), (6, 3440408), (8, 2580306), (12, 1720204), (16, 1290153), (24, 860102), (37, 557904), (48, 430051), (59, 349872), (74, 278952), (111, 185968), (118, 174936), (148, 139476), (177, 116624), (197, 104784), (222, 92984), (236, 87468), (296, 69738), (354, 58312), (394, 52392), (444, 46492), (472, 43734), (591, 34928), (592, 34869), (708, 29156), (788, 26196), (888, 23246), (944, 21867), (1182, 17464), (1416, 14578), (1576, 13098), (1776, 11623), (2183, 9456), (2364, 8732), (2832, 7289), (3152, 6549), (4366, 4728)]