20828236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2801}}^1$

素因数の和:2842

約数の個数: 36

約数和(自身を含む): 43072344

約数和(自身を除く): 22244108

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 169, 286, 338, 572, 676, 1859, 2801, 3718, 5602, 7436, 11204, 30811, 36413, 61622, 72826, 123244, 145652, 400543, 473369, 801086, 946738, 1602172, 1893476, 5207059, 10414118, 20828236]

約数ペア:

[(1, 20828236), (2, 10414118), (4, 5207059), (11, 1893476), (13, 1602172), (22, 946738), (26, 801086), (44, 473369), (52, 400543), (143, 145652), (169, 123244), (286, 72826), (338, 61622), (572, 36413), (676, 30811), (1859, 11204), (2801, 7436), (3718, 5602)]