20373561

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 33860736

約数和(自身を除く): 13487175

約数列:

[1, 3, 9, 13, 23, 39, 67, 69, 113, 117, 201, 207, 299, 339, 603, 871, 897, 1017, 1469, 1541, 2599, 2613, 2691, 4407, 4623, 7571, 7797, 7839, 13221, 13869, 20033, 22713, 23391, 33787, 60099, 68139, 98423, 101361, 174133, 180297, 295269, 304083, 522399, 885807, 1567197, 2263729, 6791187, 20373561]

約数ペア:

[(1, 20373561), (3, 6791187), (9, 2263729), (13, 1567197), (23, 885807), (39, 522399), (67, 304083), (69, 295269), (113, 180297), (117, 174133), (201, 101361), (207, 98423), (299, 68139), (339, 60099), (603, 33787), (871, 23391), (897, 22713), (1017, 20033), (1469, 13869), (1541, 13221), (2599, 7839), (2613, 7797), (2691, 7571), (4407, 4623)]