20707722

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1103}}^1$

素因数の和:1267

約数の個数: 48

約数和(自身を含む): 51667200

約数和(自身を除く): 30959478

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 149, 298, 447, 894, 1043, 1103, 1341, 2086, 2206, 2682, 3129, 3309, 6258, 6618, 7721, 9387, 9927, 15442, 18774, 19854, 23163, 46326, 69489, 138978, 164347, 328694, 493041, 986082, 1150429, 1479123, 2300858, 2958246, 3451287, 6902574, 10353861, 20707722]

約数ペア:

[(1, 20707722), (2, 10353861), (3, 6902574), (6, 3451287), (7, 2958246), (9, 2300858), (14, 1479123), (18, 1150429), (21, 986082), (42, 493041), (63, 328694), (126, 164347), (149, 138978), (298, 69489), (447, 46326), (894, 23163), (1043, 19854), (1103, 18774), (1341, 15442), (2086, 9927), (2206, 9387), (2682, 7721), (3129, 6618), (3309, 6258)]