20313468

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{541}}^1$

素因数の和:707

約数の個数: 72

約数和(自身を含む): 59186400

約数和(自身を除く): 38872932

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 149, 252, 298, 447, 541, 596, 894, 1043, 1082, 1341, 1623, 1788, 2086, 2164, 2682, 3129, 3246, 3787, 4172, 4869, 5364, 6258, 6492, 7574, 9387, 9738, 11361, 12516, 15148, 18774, 19476, 22722, 34083, 37548, 45444, 68166, 80609, 136332, 161218, 241827, 322436, 483654, 564263, 725481, 967308, 1128526, 1450962, 1692789, 2257052, 2901924, 3385578, 5078367, 6771156, 10156734, 20313468]

約数ペア:

[(1, 20313468), (2, 10156734), (3, 6771156), (4, 5078367), (6, 3385578), (7, 2901924), (9, 2257052), (12, 1692789), (14, 1450962), (18, 1128526), (21, 967308), (28, 725481), (36, 564263), (42, 483654), (63, 322436), (84, 241827), (126, 161218), (149, 136332), (252, 80609), (298, 68166), (447, 45444), (541, 37548), (596, 34083), (894, 22722), (1043, 19476), (1082, 18774), (1341, 15148), (1623, 12516), (1788, 11361), (2086, 9738), (2164, 9387), (2682, 7574), (3129, 6492), (3246, 6258), (3787, 5364), (4172, 4869)]