200609420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{911861}}^1$

素因数の和:911881

約数の個数: 24

約数和(自身を含む): 459578448

約数和(自身を除く): 258969028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 911861, 1823722, 3647444, 4559305, 9118610, 10030471, 18237220, 20060942, 40121884, 50152355, 100304710, 200609420]

約数ペア:

[(1, 200609420), (2, 100304710), (4, 50152355), (5, 40121884), (10, 20060942), (11, 18237220), (20, 10030471), (22, 9118610), (44, 4559305), (55, 3647444), (110, 1823722), (220, 911861)]