20379430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{383}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 39066624

約数和(自身を除く): 18687194

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 313, 383, 626, 766, 1565, 1915, 3130, 3830, 5321, 6511, 10642, 13022, 26605, 32555, 53210, 65110, 119879, 239758, 599395, 1198790, 2037943, 4075886, 10189715, 20379430]

約数ペア:

[(1, 20379430), (2, 10189715), (5, 4075886), (10, 2037943), (17, 1198790), (34, 599395), (85, 239758), (170, 119879), (313, 65110), (383, 53210), (626, 32555), (766, 26605), (1565, 13022), (1915, 10642), (3130, 6511), (3830, 5321)]