20195010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20399}}^1$

素因数の和:20423

約数の個数: 48

約数和(自身を含む): 57283200

約数和(自身を除く): 37088190

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 20399, 40798, 61197, 101995, 122394, 183591, 203990, 224389, 305985, 367182, 448778, 611970, 673167, 917955, 1121945, 1346334, 1835910, 2019501, 2243890, 3365835, 4039002, 6731670, 10097505, 20195010]

約数ペア:

[(1, 20195010), (2, 10097505), (3, 6731670), (5, 4039002), (6, 3365835), (9, 2243890), (10, 2019501), (11, 1835910), (15, 1346334), (18, 1121945), (22, 917955), (30, 673167), (33, 611970), (45, 448778), (55, 367182), (66, 305985), (90, 224389), (99, 203990), (110, 183591), (165, 122394), (198, 101995), (330, 61197), (495, 40798), (990, 20399)]