20123353257

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{541693}}^1$

素因数の和:541793

約数の個数: 32

約数和(自身を含む): 32241626880

約数和(自身を除く): 12118273623

約数列:

[1, 3, 7, 21, 29, 61, 87, 183, 203, 427, 609, 1281, 1769, 5307, 12383, 37149, 541693, 1625079, 3791851, 11375553, 15709097, 33043273, 47127291, 99129819, 109963679, 231302911, 329891037, 693908733, 958254917, 2874764751, 6707784419, 20123353257]

約数ペア:

[(1, 20123353257), (3, 6707784419), (7, 2874764751), (21, 958254917), (29, 693908733), (61, 329891037), (87, 231302911), (183, 109963679), (203, 99129819), (427, 47127291), (609, 33043273), (1281, 15709097), (1769, 11375553), (5307, 3791851), (12383, 1625079), (37149, 541693)]