20629735

素因数分解:

$5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{523}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 30182400

約数和(自身を除く): 9552665

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 343, 523, 805, 1127, 1715, 2615, 3661, 5635, 7889, 12029, 18305, 25627, 39445, 60145, 84203, 128135, 179389, 421015, 589421, 896945, 2947105, 4125947, 20629735]

約数ペア:

[(1, 20629735), (5, 4125947), (7, 2947105), (23, 896945), (35, 589421), (49, 421015), (115, 179389), (161, 128135), (245, 84203), (343, 60145), (523, 39445), (805, 25627), (1127, 18305), (1715, 12029), (2615, 7889), (3661, 5635)]