20185860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3331}}^1$

素因数の和:3444

約数の個数: 48

約数和(自身を含む): 57097152

約数和(自身を除く): 36911292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 1010, 1212, 1515, 2020, 3030, 3331, 6060, 6662, 9993, 13324, 16655, 19986, 33310, 39972, 49965, 66620, 99930, 199860, 336431, 672862, 1009293, 1345724, 1682155, 2018586, 3364310, 4037172, 5046465, 6728620, 10092930, 20185860]

約数ペア:

[(1, 20185860), (2, 10092930), (3, 6728620), (4, 5046465), (5, 4037172), (6, 3364310), (10, 2018586), (12, 1682155), (15, 1345724), (20, 1009293), (30, 672862), (60, 336431), (101, 199860), (202, 99930), (303, 66620), (404, 49965), (505, 39972), (606, 33310), (1010, 19986), (1212, 16655), (1515, 13324), (2020, 9993), (3030, 6662), (3331, 6060)]