20011210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2221}}^1$

素因数の和:2298

約数の個数: 32

約数和(自身を含む): 38876112

約数和(自身を除く): 18864902

約数列:

[1, 2, 5, 10, 17, 34, 53, 85, 106, 170, 265, 530, 901, 1802, 2221, 4442, 4505, 9010, 11105, 22210, 37757, 75514, 117713, 188785, 235426, 377570, 588565, 1177130, 2001121, 4002242, 10005605, 20011210]

約数ペア:

[(1, 20011210), (2, 10005605), (5, 4002242), (10, 2001121), (17, 1177130), (34, 588565), (53, 377570), (85, 235426), (106, 188785), (170, 117713), (265, 75514), (530, 37757), (901, 22210), (1802, 11105), (2221, 9010), (4442, 4505)]