20778444

素因数分解:

$2^2\times 3^5\times {\mathrm{21377}}^1$

素因数の和:21396

約数の個数: 36

約数和(自身を含む): 54471144

約数和(自身を除く): 33692700

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 21377, 42754, 64131, 85508, 128262, 192393, 256524, 384786, 577179, 769572, 1154358, 1731537, 2308716, 3463074, 5194611, 6926148, 10389222, 20778444]

約数ペア:

[(1, 20778444), (2, 10389222), (3, 6926148), (4, 5194611), (6, 3463074), (9, 2308716), (12, 1731537), (18, 1154358), (27, 769572), (36, 577179), (54, 384786), (81, 256524), (108, 192393), (162, 128262), (243, 85508), (324, 64131), (486, 42754), (972, 21377)]