20668452

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1249}}^1$

素因数の和:1460

約数の個数: 48

約数和(自身を含む): 55440000

約数和(自身を除く): 34771548

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 197, 394, 591, 788, 1182, 1249, 1379, 2364, 2498, 2758, 3747, 4137, 4996, 5516, 7494, 8274, 8743, 14988, 16548, 17486, 26229, 34972, 52458, 104916, 246053, 492106, 738159, 984212, 1476318, 1722371, 2952636, 3444742, 5167113, 6889484, 10334226, 20668452]

約数ペア:

[(1, 20668452), (2, 10334226), (3, 6889484), (4, 5167113), (6, 3444742), (7, 2952636), (12, 1722371), (14, 1476318), (21, 984212), (28, 738159), (42, 492106), (84, 246053), (197, 104916), (394, 52458), (591, 34972), (788, 26229), (1182, 17486), (1249, 16548), (1379, 14988), (2364, 8743), (2498, 8274), (2758, 7494), (3747, 5516), (4137, 4996)]