20388830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26479}}^1$

素因数の和:26504

約数の個数: 32

約数和(自身を含む): 45757440

約数和(自身を除く): 25368610

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 26479, 52958, 132395, 185353, 264790, 291269, 370706, 582538, 926765, 1456345, 1853530, 2038883, 2912690, 4077766, 10194415, 20388830]

約数ペア:

[(1, 20388830), (2, 10194415), (5, 4077766), (7, 2912690), (10, 2038883), (11, 1853530), (14, 1456345), (22, 926765), (35, 582538), (55, 370706), (70, 291269), (77, 264790), (110, 185353), (154, 132395), (385, 52958), (770, 26479)]