20385882

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{691}}^1$

素因数の和:859

約数の個数: 48

約数和(自身を含む): 48578400

約数和(自身を除く): 28192518

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 149, 198, 298, 447, 691, 894, 1341, 1382, 1639, 2073, 2682, 3278, 4146, 4917, 6219, 7601, 9834, 12438, 14751, 15202, 22803, 29502, 45606, 68409, 102959, 136818, 205918, 308877, 617754, 926631, 1132549, 1853262, 2265098, 3397647, 6795294, 10192941, 20385882]

約数ペア:

[(1, 20385882), (2, 10192941), (3, 6795294), (6, 3397647), (9, 2265098), (11, 1853262), (18, 1132549), (22, 926631), (33, 617754), (66, 308877), (99, 205918), (149, 136818), (198, 102959), (298, 68409), (447, 45606), (691, 29502), (894, 22803), (1341, 15202), (1382, 14751), (1639, 12438), (2073, 9834), (2682, 7601), (3278, 6219), (4146, 4917)]