20189260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11093}}^1$

素因数の和:11122

約数の個数: 48

約数和(自身を含む): 52186176

約数和(自身を除く): 31996916

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 11093, 22186, 44372, 55465, 77651, 110930, 144209, 155302, 221860, 288418, 310604, 388255, 576836, 721045, 776510, 1009463, 1442090, 1553020, 2018926, 2884180, 4037852, 5047315, 10094630, 20189260]

約数ペア:

[(1, 20189260), (2, 10094630), (4, 5047315), (5, 4037852), (7, 2884180), (10, 2018926), (13, 1553020), (14, 1442090), (20, 1009463), (26, 776510), (28, 721045), (35, 576836), (52, 388255), (65, 310604), (70, 288418), (91, 221860), (130, 155302), (140, 144209), (182, 110930), (260, 77651), (364, 55465), (455, 44372), (910, 22186), (1820, 11093)]