20519055

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4903}}^1$

素因数の和:4948

約数の個数: 32

約数和(自身を含む): 37662720

約数和(自身を除く): 17143665

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 4903, 14709, 24515, 44127, 73545, 132381, 151993, 220635, 455979, 661905, 759965, 1367937, 2279895, 4103811, 6839685, 20519055]

約数ペア:

[(1, 20519055), (3, 6839685), (5, 4103811), (9, 2279895), (15, 1367937), (27, 759965), (31, 661905), (45, 455979), (93, 220635), (135, 151993), (155, 132381), (279, 73545), (465, 44127), (837, 24515), (1395, 14709), (4185, 4903)]