20123585566

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3923}}^1\times {\mathrm{8521}}^1$

素因数の和:12496

約数の個数: 32

約数和(自身を含む): 35312986368

約数和(自身を除く): 15189400802

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 3923, 7846, 8521, 17042, 27461, 54922, 59647, 119294, 168689, 337378, 366403, 732806, 1180823, 2361646, 2564821, 5129642, 33427883, 66855766, 233995181, 467990362, 1437398969, 2874797938, 10061792783, 20123585566]

約数ペア:

[(1, 20123585566), (2, 10061792783), (7, 2874797938), (14, 1437398969), (43, 467990362), (86, 233995181), (301, 66855766), (602, 33427883), (3923, 5129642), (7846, 2564821), (8521, 2361646), (17042, 1180823), (27461, 732806), (54922, 366403), (59647, 337378), (119294, 168689)]