20164872777

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{5881}}^1$

素因数の和:6174

約数の個数: 64

約数和(自身を含む): 33247887360

約数和(自身を除く): 13083014583

約数列:

[1, 3, 7, 21, 23, 31, 69, 93, 161, 217, 229, 483, 651, 687, 713, 1603, 2139, 4809, 4991, 5267, 5881, 7099, 14973, 15801, 17643, 21297, 36869, 41167, 49693, 110607, 123501, 135263, 149079, 163277, 182311, 405789, 489831, 546933, 946841, 1142939, 1276177, 1346749, 2840523, 3428817, 3828531, 4040247, 4193153, 9427243, 12579459, 28281729, 29352071, 30975227, 41749219, 88056213, 92925681, 125247657, 216826589, 292244533, 650479767, 876733599, 960232037, 2880696111, 6721624259, 20164872777]

約数ペア:

[(1, 20164872777), (3, 6721624259), (7, 2880696111), (21, 960232037), (23, 876733599), (31, 650479767), (69, 292244533), (93, 216826589), (161, 125247657), (217, 92925681), (229, 88056213), (483, 41749219), (651, 30975227), (687, 29352071), (713, 28281729), (1603, 12579459), (2139, 9427243), (4809, 4193153), (4991, 4040247), (5267, 3828531), (5881, 3428817), (7099, 2840523), (14973, 1346749), (15801, 1276177), (17643, 1142939), (21297, 946841), (36869, 546933), (41167, 489831), (49693, 405789), (110607, 182311), (123501, 163277), (135263, 149079)]