20121185735

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{57587}}^1$

素因数の和:57815

約数の個数: 32

約数和(自身を含む): 28195084800

約数和(自身を除く): 8073899065

約数列:

[1, 5, 7, 35, 67, 149, 335, 469, 745, 1043, 2345, 5215, 9983, 49915, 57587, 69881, 287935, 349405, 403109, 2015545, 3858329, 8580463, 19291645, 27008303, 42902315, 60063241, 135041515, 300316205, 574891021, 2874455105, 4024237147, 20121185735]

約数ペア:

[(1, 20121185735), (5, 4024237147), (7, 2874455105), (35, 574891021), (67, 300316205), (149, 135041515), (335, 60063241), (469, 42902315), (745, 27008303), (1043, 19291645), (2345, 8580463), (5215, 3858329), (9983, 2015545), (49915, 403109), (57587, 349405), (69881, 287935)]