20195376580

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2137}}^1\times {\mathrm{3607}}^1$

素因数の和:5884

約数の個数: 48

約数和(自身を含む): 42765883776

約数和(自身を除く): 22570507196

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2137, 2620, 3607, 4274, 7214, 8548, 10685, 14428, 18035, 21370, 36070, 42740, 72140, 279947, 472517, 559894, 945034, 1119788, 1399735, 1890068, 2362585, 2799470, 4725170, 5598940, 7708159, 9450340, 15416318, 30832636, 38540795, 77081590, 154163180, 1009768829, 2019537658, 4039075316, 5048844145, 10097688290, 20195376580]

約数ペア:

[(1, 20195376580), (2, 10097688290), (4, 5048844145), (5, 4039075316), (10, 2019537658), (20, 1009768829), (131, 154163180), (262, 77081590), (524, 38540795), (655, 30832636), (1310, 15416318), (2137, 9450340), (2620, 7708159), (3607, 5598940), (4274, 4725170), (7214, 2799470), (8548, 2362585), (10685, 1890068), (14428, 1399735), (18035, 1119788), (21370, 945034), (36070, 559894), (42740, 472517), (72140, 279947)]