20653822

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 36465408

約数和(自身を除く): 15811586

約数列:

[1, 2, 7, 14, 67, 97, 134, 194, 227, 454, 469, 679, 938, 1358, 1589, 3178, 6499, 12998, 15209, 22019, 30418, 44038, 45493, 90986, 106463, 154133, 212926, 308266, 1475273, 2950546, 10326911, 20653822]

約数ペア:

[(1, 20653822), (2, 10326911), (7, 2950546), (14, 1475273), (67, 308266), (97, 212926), (134, 154133), (194, 106463), (227, 90986), (454, 45493), (469, 44038), (679, 30418), (938, 22019), (1358, 15209), (1589, 12998), (3178, 6499)]