20857070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1933}}^1$

素因数の和:2036

約数の個数: 32

約数和(自身を含む): 40938912

約数和(自身を除く): 20081842

約数列:

[1, 2, 5, 10, 13, 26, 65, 83, 130, 166, 415, 830, 1079, 1933, 2158, 3866, 5395, 9665, 10790, 19330, 25129, 50258, 125645, 160439, 251290, 320878, 802195, 1604390, 2085707, 4171414, 10428535, 20857070]

約数ペア:

[(1, 20857070), (2, 10428535), (5, 4171414), (10, 2085707), (13, 1604390), (26, 802195), (65, 320878), (83, 251290), (130, 160439), (166, 125645), (415, 50258), (830, 25129), (1079, 19330), (1933, 10790), (2158, 9665), (3866, 5395)]