20163721212

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{34487}}^1$

素因数の和:34755

約数の個数: 72

約数和(自身を含む): 51783732000

約数和(自身を除く): 31620010788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 149, 218, 298, 327, 436, 447, 596, 654, 894, 981, 1308, 1341, 1788, 1962, 2682, 3924, 5364, 16241, 32482, 34487, 48723, 64964, 68974, 97446, 103461, 137948, 146169, 194892, 206922, 292338, 310383, 413844, 584676, 620766, 1241532, 3759083, 5138563, 7518166, 10277126, 11277249, 15036332, 15415689, 20554252, 22554498, 30831378, 33831747, 45108996, 46247067, 61662756, 67663494, 92494134, 135326988, 184988268, 560103367, 1120206734, 1680310101, 2240413468, 3360620202, 5040930303, 6721240404, 10081860606, 20163721212]

約数ペア:

[(1, 20163721212), (2, 10081860606), (3, 6721240404), (4, 5040930303), (6, 3360620202), (9, 2240413468), (12, 1680310101), (18, 1120206734), (36, 560103367), (109, 184988268), (149, 135326988), (218, 92494134), (298, 67663494), (327, 61662756), (436, 46247067), (447, 45108996), (596, 33831747), (654, 30831378), (894, 22554498), (981, 20554252), (1308, 15415689), (1341, 15036332), (1788, 11277249), (1962, 10277126), (2682, 7518166), (3924, 5138563), (5364, 3759083), (16241, 1241532), (32482, 620766), (34487, 584676), (48723, 413844), (64964, 310383), (68974, 292338), (97446, 206922), (103461, 194892), (137948, 146169)]