20785098725

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1\times {\mathrm{811}}^1$

素因数の和:1230

約数の個数: 48

約数和(自身を含む): 26859530880

約数和(自身を除く): 6074432155

約数列:

[1, 5, 25, 37, 103, 185, 269, 515, 811, 925, 1345, 2575, 3811, 4055, 6725, 9953, 19055, 20275, 27707, 30007, 49765, 83533, 95275, 138535, 150035, 218159, 248825, 417665, 692675, 750175, 1025159, 1090795, 2088325, 3090721, 5125795, 5453975, 8071883, 15453605, 22470377, 25628975, 40359415, 77268025, 112351885, 201797075, 561759425, 831403949, 4157019745, 20785098725]

約数ペア:

[(1, 20785098725), (5, 4157019745), (25, 831403949), (37, 561759425), (103, 201797075), (185, 112351885), (269, 77268025), (515, 40359415), (811, 25628975), (925, 22470377), (1345, 15453605), (2575, 8071883), (3811, 5453975), (4055, 5125795), (6725, 3090721), (9953, 2088325), (19055, 1090795), (20275, 1025159), (27707, 750175), (30007, 692675), (49765, 417665), (83533, 248825), (95275, 218159), (138535, 150035)]