20528784

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{3853}}^1$

素因数の和:3904

約数の個数: 60

約数和(自身を含む): 59020156

約数和(自身を除く): 38491372

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 111, 144, 148, 222, 296, 333, 444, 592, 666, 888, 1332, 1776, 2664, 3853, 5328, 7706, 11559, 15412, 23118, 30824, 34677, 46236, 61648, 69354, 92472, 138708, 142561, 184944, 277416, 285122, 427683, 554832, 570244, 855366, 1140488, 1283049, 1710732, 2280976, 2566098, 3421464, 5132196, 6842928, 10264392, 20528784]

約数ペア:

[(1, 20528784), (2, 10264392), (3, 6842928), (4, 5132196), (6, 3421464), (8, 2566098), (9, 2280976), (12, 1710732), (16, 1283049), (18, 1140488), (24, 855366), (36, 570244), (37, 554832), (48, 427683), (72, 285122), (74, 277416), (111, 184944), (144, 142561), (148, 138708), (222, 92472), (296, 69354), (333, 61648), (444, 46236), (592, 34677), (666, 30824), (888, 23118), (1332, 15412), (1776, 11559), (2664, 7706), (3853, 5328)]