20921844718

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{5345387}}^1$

素因数の和:5345511

約数の個数: 16

約数和(自身を含む): 33355221120

約数和(自身を除く): 12433376402

約数列:

[1, 2, 19, 38, 103, 206, 1957, 3914, 5345387, 10690774, 101562353, 203124706, 550574861, 1101149722, 10460922359, 20921844718]

約数ペア:

[(1, 20921844718), (2, 10460922359), (19, 1101149722), (38, 550574861), (103, 203124706), (206, 101562353), (1957, 10690774), (3914, 5345387)]