20750496

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{1279}}^1$

素因数の和:1318

約数の個数: 72

約数和(自身を含む): 59028480

約数和(自身を除く): 38277984

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 169, 208, 312, 338, 416, 507, 624, 676, 1014, 1248, 1279, 1352, 2028, 2558, 2704, 3837, 4056, 5116, 5408, 7674, 8112, 10232, 15348, 16224, 16627, 20464, 30696, 33254, 40928, 49881, 61392, 66508, 99762, 122784, 133016, 199524, 216151, 266032, 399048, 432302, 532064, 648453, 798096, 864604, 1296906, 1596192, 1729208, 2593812, 3458416, 5187624, 6916832, 10375248, 20750496]

約数ペア:

[(1, 20750496), (2, 10375248), (3, 6916832), (4, 5187624), (6, 3458416), (8, 2593812), (12, 1729208), (13, 1596192), (16, 1296906), (24, 864604), (26, 798096), (32, 648453), (39, 532064), (48, 432302), (52, 399048), (78, 266032), (96, 216151), (104, 199524), (156, 133016), (169, 122784), (208, 99762), (312, 66508), (338, 61392), (416, 49881), (507, 40928), (624, 33254), (676, 30696), (1014, 20464), (1248, 16627), (1279, 16224), (1352, 15348), (2028, 10232), (2558, 8112), (2704, 7674), (3837, 5408), (4056, 5116)]