20199378969

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{7213}}^1$

素因数の和:7692

約数の個数: 80

約数和(自身を含む): 37709020800

約数和(自身を除く): 17509641831

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 449, 567, 693, 891, 1347, 2079, 3143, 4041, 4939, 6237, 7213, 9429, 12123, 14817, 21639, 28287, 34573, 36369, 44451, 50491, 64917, 79343, 84861, 103719, 133353, 151473, 194751, 238029, 254583, 311157, 400059, 454419, 555401, 584253, 714087, 933471, 1363257, 1666203, 2142261, 2800413, 3238637, 4089771, 4998609, 6426783, 9715911, 14995827, 22670459, 29147733, 35625007, 44987481, 68011377, 87443199, 106875021, 204034131, 249375049, 262329597, 320625063, 612102393, 748125147, 961875189, 1836307179, 2244375441, 2885625567, 6733126323, 20199378969]

約数ペア:

[(1, 20199378969), (3, 6733126323), (7, 2885625567), (9, 2244375441), (11, 1836307179), (21, 961875189), (27, 748125147), (33, 612102393), (63, 320625063), (77, 262329597), (81, 249375049), (99, 204034131), (189, 106875021), (231, 87443199), (297, 68011377), (449, 44987481), (567, 35625007), (693, 29147733), (891, 22670459), (1347, 14995827), (2079, 9715911), (3143, 6426783), (4041, 4998609), (4939, 4089771), (6237, 3238637), (7213, 2800413), (9429, 2142261), (12123, 1666203), (14817, 1363257), (21639, 933471), (28287, 714087), (34573, 584253), (36369, 555401), (44451, 454419), (50491, 400059), (64917, 311157), (79343, 254583), (84861, 238029), (103719, 194751), (133353, 151473)]