20341793968

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{276323}}^1$

素因数の和:276481

約数の個数: 40

約数和(自身を含む): 40705841088

約数和(自身を除く): 20364047120

約数列:

[1, 2, 4, 8, 16, 43, 86, 107, 172, 214, 344, 428, 688, 856, 1712, 4601, 9202, 18404, 36808, 73616, 276323, 552646, 1105292, 2210584, 4421168, 11881889, 23763778, 29566561, 47527556, 59133122, 95055112, 118266244, 190110224, 236532488, 473064976, 1271362123, 2542724246, 5085448492, 10170896984, 20341793968]

約数ペア:

[(1, 20341793968), (2, 10170896984), (4, 5085448492), (8, 2542724246), (16, 1271362123), (43, 473064976), (86, 236532488), (107, 190110224), (172, 118266244), (214, 95055112), (344, 59133122), (428, 47527556), (688, 29566561), (856, 23763778), (1712, 11881889), (4601, 4421168), (9202, 2210584), (18404, 1105292), (36808, 552646), (73616, 276323)]