20754045

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2729}}^1$

素因数の和:2766

約数の個数: 36

約数和(自身を含む): 38968020

約数和(自身を除く): 18213975

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 169, 195, 507, 585, 845, 1521, 2535, 2729, 7605, 8187, 13645, 24561, 35477, 40935, 106431, 122805, 177385, 319293, 461201, 532155, 1383603, 1596465, 2306005, 4150809, 6918015, 20754045]

約数ペア:

[(1, 20754045), (3, 6918015), (5, 4150809), (9, 2306005), (13, 1596465), (15, 1383603), (39, 532155), (45, 461201), (65, 319293), (117, 177385), (169, 122805), (195, 106431), (507, 40935), (585, 35477), (845, 24561), (1521, 13645), (2535, 8187), (2729, 7605)]