20123691819

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{65353}}^1$

素因数の和:65448

約数の個数: 64

約数和(自身を含む): 35335077888

約数和(自身を除く): 15211386069

約数列:

[1, 3, 7, 11, 21, 31, 33, 43, 77, 93, 129, 217, 231, 301, 341, 473, 651, 903, 1023, 1333, 1419, 2387, 3311, 3999, 7161, 9331, 9933, 14663, 27993, 43989, 65353, 102641, 196059, 307923, 457471, 718883, 1372413, 2025943, 2156649, 2810179, 5032181, 6077829, 8430537, 14181601, 15096543, 19671253, 22285373, 30911969, 42544803, 59013759, 66856119, 87115549, 92735907, 155997611, 216383783, 261346647, 467992833, 609808843, 649151349, 958271039, 1829426529, 2874813117, 6707897273, 20123691819]

約数ペア:

[(1, 20123691819), (3, 6707897273), (7, 2874813117), (11, 1829426529), (21, 958271039), (31, 649151349), (33, 609808843), (43, 467992833), (77, 261346647), (93, 216383783), (129, 155997611), (217, 92735907), (231, 87115549), (301, 66856119), (341, 59013759), (473, 42544803), (651, 30911969), (903, 22285373), (1023, 19671253), (1333, 15096543), (1419, 14181601), (2387, 8430537), (3311, 6077829), (3999, 5032181), (7161, 2810179), (9331, 2156649), (9933, 2025943), (14663, 1372413), (27993, 718883), (43989, 457471), (65353, 307923), (102641, 196059)]