20225660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11113}}^1$

素因数の和:11142

約数の個数: 48

約数和(自身を含む): 52280256

約数和(自身を除く): 32054596

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, 11113, 22226, 44452, 55565, 77791, 111130, 144469, 155582, 222260, 288938, 311164, 388955, 577876, 722345, 777910, 1011283, 1444690, 1555820, 2022566, 2889380, 4045132, 5056415, 10112830, 20225660]

約数ペア:

[(1, 20225660), (2, 10112830), (4, 5056415), (5, 4045132), (7, 2889380), (10, 2022566), (13, 1555820), (14, 1444690), (20, 1011283), (26, 777910), (28, 722345), (35, 577876), (52, 388955), (65, 311164), (70, 288938), (91, 222260), (130, 155582), (140, 144469), (182, 111130), (260, 77791), (364, 55565), (455, 44452), (910, 22226), (1820, 11113)]