20087218107

素因数分解:

$3^6\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{9901}}^1$

素因数の和:9964

約数の個数: 84

約数和(自身を含む): 34546652112

約数和(自身を除く): 14459434005

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 81, 99, 121, 207, 243, 253, 297, 363, 621, 729, 759, 891, 1089, 1863, 2277, 2673, 2783, 3267, 5589, 6831, 8019, 8349, 9801, 9901, 16767, 20493, 25047, 29403, 29703, 61479, 75141, 88209, 89109, 108911, 184437, 225423, 227723, 267327, 326733, 676269, 683169, 801981, 980199, 1198021, 2028807, 2049507, 2405943, 2504953, 2940597, 3594063, 6148521, 7217829, 7514859, 8821791, 10782189, 18445563, 22544577, 26465373, 27554483, 32346567, 55336689, 67633731, 79396119, 82663449, 97039701, 166010067, 202901193, 247990347, 291119103, 608703579, 743971041, 873357309, 1826110737, 2231913123, 6695739369, 20087218107]

約数ペア:

[(1, 20087218107), (3, 6695739369), (9, 2231913123), (11, 1826110737), (23, 873357309), (27, 743971041), (33, 608703579), (69, 291119103), (81, 247990347), (99, 202901193), (121, 166010067), (207, 97039701), (243, 82663449), (253, 79396119), (297, 67633731), (363, 55336689), (621, 32346567), (729, 27554483), (759, 26465373), (891, 22544577), (1089, 18445563), (1863, 10782189), (2277, 8821791), (2673, 7514859), (2783, 7217829), (3267, 6148521), (5589, 3594063), (6831, 2940597), (8019, 2504953), (8349, 2405943), (9801, 2049507), (9901, 2028807), (16767, 1198021), (20493, 980199), (25047, 801981), (29403, 683169), (29703, 676269), (61479, 326733), (75141, 267327), (88209, 227723), (89109, 225423), (108911, 184437)]