20201057180

素因数分解:

$2^2\times 5^1\times {\mathrm{52121}}^1\times {\mathrm{19379}}^1$

素因数の和:71509

約数の個数: 24

約数和(自身を含む): 42425223120

約数和(自身を除く): 22224165940

約数列:

[1, 2, 4, 5, 10, 20, 19379, 38758, 52121, 77516, 96895, 104242, 193790, 208484, 260605, 387580, 521210, 1042420, 1010052859, 2020105718, 4040211436, 5050264295, 10100528590, 20201057180]

約数ペア:

[(1, 20201057180), (2, 10100528590), (4, 5050264295), (5, 4040211436), (10, 2020105718), (20, 1010052859), (19379, 1042420), (38758, 521210), (52121, 387580), (77516, 260605), (96895, 208484), (104242, 193790)]