20712902

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3001}}^1$

素因数の和:3056

約数の個数: 32

約数和(自身を含む): 38905920

約数和(自身を除く): 18193018

約数列:

[1, 2, 7, 14, 17, 29, 34, 58, 119, 203, 238, 406, 493, 986, 3001, 3451, 6002, 6902, 21007, 42014, 51017, 87029, 102034, 174058, 357119, 609203, 714238, 1218406, 1479493, 2958986, 10356451, 20712902]

約数ペア:

[(1, 20712902), (2, 10356451), (7, 2958986), (14, 1479493), (17, 1218406), (29, 714238), (34, 609203), (58, 357119), (119, 174058), (203, 102034), (238, 87029), (406, 51017), (493, 42014), (986, 21007), (3001, 6902), (3451, 6002)]