20934025

素因数分解:

$5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{743}}^1$

素因数の和:790

約数の個数: 36

約数和(自身を含む): 31551552

約数和(自身を除く): 10617527

約数列:

[1, 5, 7, 23, 25, 35, 49, 115, 161, 175, 245, 575, 743, 805, 1127, 1225, 3715, 4025, 5201, 5635, 17089, 18575, 26005, 28175, 36407, 85445, 119623, 130025, 182035, 427225, 598115, 837361, 910175, 2990575, 4186805, 20934025]

約数ペア:

[(1, 20934025), (5, 4186805), (7, 2990575), (23, 910175), (25, 837361), (35, 598115), (49, 427225), (115, 182035), (161, 130025), (175, 119623), (245, 85445), (575, 36407), (743, 28175), (805, 26005), (1127, 18575), (1225, 17089), (3715, 5635), (4025, 5201)]