20122720120

素因数分解:

$2^3\times 5^1\times {\mathrm{2801}}^1\times {\mathrm{179603}}^1$

素因数の和:182415

約数の個数: 32

約数和(自身を含む): 45292536720

約数和(自身を除く): 25169816600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2801, 5602, 11204, 14005, 22408, 28010, 56020, 112040, 179603, 359206, 718412, 898015, 1436824, 1796030, 3592060, 7184120, 503068003, 1006136006, 2012272012, 2515340015, 4024544024, 5030680030, 10061360060, 20122720120]

約数ペア:

[(1, 20122720120), (2, 10061360060), (4, 5030680030), (5, 4024544024), (8, 2515340015), (10, 2012272012), (20, 1006136006), (40, 503068003), (2801, 7184120), (5602, 3592060), (11204, 1796030), (14005, 1436824), (22408, 898015), (28010, 718412), (56020, 359206), (112040, 179603)]