20167656825

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{3307}}^1$

素因数の和:3455

約数の個数: 96

約数和(自身を含む): 35808120832

約数和(自身を除く): 15640464007

約数列:

[1, 3, 5, 15, 25, 31, 43, 61, 75, 93, 129, 155, 183, 215, 305, 465, 645, 775, 915, 1075, 1333, 1525, 1891, 2325, 2623, 3225, 3307, 3999, 4575, 5673, 6665, 7869, 9455, 9921, 13115, 16535, 19995, 28365, 33325, 39345, 47275, 49605, 65575, 81313, 82675, 99975, 102517, 141825, 142201, 196725, 201727, 243939, 248025, 307551, 406565, 426603, 512585, 605181, 711005, 1008635, 1219695, 1537755, 2032825, 2133015, 2562925, 3025905, 3555025, 4408231, 5043175, 6098475, 6253537, 7688775, 8674261, 10665075, 13224693, 15129525, 18760611, 22041155, 26022783, 31267685, 43371305, 66123465, 93803055, 110205775, 130113915, 156338425, 216856525, 268902091, 330617325, 469015275, 650569575, 806706273, 1344510455, 4033531365, 6722552275, 20167656825]

約数ペア:

[(1, 20167656825), (3, 6722552275), (5, 4033531365), (15, 1344510455), (25, 806706273), (31, 650569575), (43, 469015275), (61, 330617325), (75, 268902091), (93, 216856525), (129, 156338425), (155, 130113915), (183, 110205775), (215, 93803055), (305, 66123465), (465, 43371305), (645, 31267685), (775, 26022783), (915, 22041155), (1075, 18760611), (1333, 15129525), (1525, 13224693), (1891, 10665075), (2325, 8674261), (2623, 7688775), (3225, 6253537), (3307, 6098475), (3999, 5043175), (4575, 4408231), (5673, 3555025), (6665, 3025905), (7869, 2562925), (9455, 2133015), (9921, 2032825), (13115, 1537755), (16535, 1219695), (19995, 1008635), (28365, 711005), (33325, 605181), (39345, 512585), (47275, 426603), (49605, 406565), (65575, 307551), (81313, 248025), (82675, 243939), (99975, 201727), (102517, 196725), (141825, 142201)]