20154453985

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{6257}}^1$

素因数の和:6561

約数の個数: 32

約数和(自身を含む): 25142140800

約数和(自身を除く): 4987686815

約数列:

[1, 5, 59, 61, 179, 295, 305, 895, 3599, 6257, 10561, 10919, 17995, 31285, 52805, 54595, 369163, 381677, 644221, 1120003, 1845815, 1908385, 3221105, 5600015, 22518943, 66080177, 68320183, 112594715, 330400885, 341600915, 4030890797, 20154453985]

約数ペア:

[(1, 20154453985), (5, 4030890797), (59, 341600915), (61, 330400885), (179, 112594715), (295, 68320183), (305, 66080177), (895, 22518943), (3599, 5600015), (6257, 3221105), (10561, 1908385), (10919, 1845815), (17995, 1120003), (31285, 644221), (52805, 381677), (54595, 369163)]