20880734

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3413}}^1$

素因数の和:3464

約数の個数: 32

約数和(自身を含む): 39329280

約数和(自身を除く): 18448546

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 133, 161, 266, 322, 437, 874, 3059, 3413, 6118, 6826, 23891, 47782, 64847, 78499, 129694, 156998, 453929, 549493, 907858, 1098986, 1491481, 2982962, 10440367, 20880734]

約数ペア:

[(1, 20880734), (2, 10440367), (7, 2982962), (14, 1491481), (19, 1098986), (23, 907858), (38, 549493), (46, 453929), (133, 156998), (161, 129694), (266, 78499), (322, 64847), (437, 47782), (874, 23891), (3059, 6826), (3413, 6118)]