20129223555

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1\times {\mathrm{2131}}^1$

素因数の和:2497

約数の個数: 96

約数和(自身を含む): 40358043648

約数和(自身を除く): 20228820093

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 157, 191, 315, 471, 573, 785, 955, 1099, 1337, 1413, 1719, 2131, 2355, 2865, 3297, 4011, 5495, 6393, 6685, 7065, 8595, 9891, 10655, 12033, 14917, 16485, 19179, 20055, 29987, 31965, 44751, 49455, 60165, 74585, 89961, 95895, 134253, 149935, 209909, 223755, 269883, 334567, 407021, 449805, 629727, 671265, 1003701, 1049545, 1221063, 1349415, 1672835, 1889181, 2035105, 2341969, 2849147, 3011103, 3148635, 3663189, 5018505, 6105315, 7025907, 8547441, 9445905, 11709845, 14245735, 15055515, 18315945, 21077721, 25642323, 35129535, 42737205, 63902297, 105388605, 128211615, 191706891, 319511485, 447316079, 575120673, 958534455, 1341948237, 2236580395, 2875603365, 4025844711, 6709741185, 20129223555]

約数ペア:

[(1, 20129223555), (3, 6709741185), (5, 4025844711), (7, 2875603365), (9, 2236580395), (15, 1341948237), (21, 958534455), (35, 575120673), (45, 447316079), (63, 319511485), (105, 191706891), (157, 128211615), (191, 105388605), (315, 63902297), (471, 42737205), (573, 35129535), (785, 25642323), (955, 21077721), (1099, 18315945), (1337, 15055515), (1413, 14245735), (1719, 11709845), (2131, 9445905), (2355, 8547441), (2865, 7025907), (3297, 6105315), (4011, 5018505), (5495, 3663189), (6393, 3148635), (6685, 3011103), (7065, 2849147), (8595, 2341969), (9891, 2035105), (10655, 1889181), (12033, 1672835), (14917, 1349415), (16485, 1221063), (19179, 1049545), (20055, 1003701), (29987, 671265), (31965, 629727), (44751, 449805), (49455, 407021), (60165, 334567), (74585, 269883), (89961, 223755), (95895, 209909), (134253, 149935)]