20749276431

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{433}}^1\times {\mathrm{6113}}^1$

素因数の和:6632

約数の個数: 48

約数和(自身を含む): 32839418976

約数和(自身を除く): 12090142545

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 433, 603, 871, 1299, 2613, 3897, 5629, 6113, 7839, 16887, 18339, 29011, 50661, 55017, 79469, 87033, 238407, 261099, 377143, 409571, 715221, 1131429, 1228713, 2646929, 3394287, 3686139, 5324423, 7940787, 15973269, 23822361, 34410077, 47919807, 103230231, 177344243, 309690693, 532032729, 1596098187, 2305475159, 6916425477, 20749276431]

約数ペア:

[(1, 20749276431), (3, 6916425477), (9, 2305475159), (13, 1596098187), (39, 532032729), (67, 309690693), (117, 177344243), (201, 103230231), (433, 47919807), (603, 34410077), (871, 23822361), (1299, 15973269), (2613, 7940787), (3897, 5324423), (5629, 3686139), (6113, 3394287), (7839, 2646929), (16887, 1228713), (18339, 1131429), (29011, 715221), (50661, 409571), (55017, 377143), (79469, 261099), (87033, 238407)]