20052774

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2609}}^1$

素因数の和:2685

約数の個数: 48

約数和(自身を含む): 50487840

約数和(自身を除く): 30435066

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 427, 549, 854, 1098, 1281, 2562, 2609, 3843, 5218, 7686, 7827, 15654, 18263, 23481, 36526, 46962, 54789, 109578, 159149, 164367, 318298, 328734, 477447, 954894, 1114043, 1432341, 2228086, 2864682, 3342129, 6684258, 10026387, 20052774]

約数ペア:

[(1, 20052774), (2, 10026387), (3, 6684258), (6, 3342129), (7, 2864682), (9, 2228086), (14, 1432341), (18, 1114043), (21, 954894), (42, 477447), (61, 328734), (63, 318298), (122, 164367), (126, 159149), (183, 109578), (366, 54789), (427, 46962), (549, 36526), (854, 23481), (1098, 18263), (1281, 15654), (2562, 7827), (2609, 7686), (3843, 5218)]