20076394780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77216903}}^1$

素因数の和:77216925

約数の個数: 24

約数和(自身を含む): 45403539552

約数和(自身を除く): 25327144772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77216903, 154433806, 308867612, 386084515, 772169030, 1003819739, 1544338060, 2007639478, 4015278956, 5019098695, 10038197390, 20076394780]

約数ペア:

[(1, 20076394780), (2, 10038197390), (4, 5019098695), (5, 4015278956), (10, 2007639478), (13, 1544338060), (20, 1003819739), (26, 772169030), (52, 386084515), (65, 308867612), (130, 154433806), (260, 77216903)]