20123984510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{455603}}^1$

素因数の和:456248

約数の個数: 32

約数和(自身を含む): 41463608832

約数和(自身を除く): 21339624322

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 631, 1262, 3155, 4417, 6310, 8834, 22085, 44170, 455603, 911206, 2278015, 3189221, 4556030, 6378442, 15946105, 31892210, 287485493, 574970986, 1437427465, 2012398451, 2874854930, 4024796902, 10061992255, 20123984510]

約数ペア:

[(1, 20123984510), (2, 10061992255), (5, 4024796902), (7, 2874854930), (10, 2012398451), (14, 1437427465), (35, 574970986), (70, 287485493), (631, 31892210), (1262, 15946105), (3155, 6378442), (4417, 4556030), (6310, 3189221), (8834, 2278015), (22085, 911206), (44170, 455603)]