20952490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3041}}^1$

素因数の和:3114

約数の個数: 32

約数和(自身を含む): 41395536

約数和(自身を除く): 20443046

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3041, 3445, 6082, 6890, 15205, 30410, 39533, 79066, 161173, 197665, 322346, 395330, 805865, 1611730, 2095249, 4190498, 10476245, 20952490]

約数ペア:

[(1, 20952490), (2, 10476245), (5, 4190498), (10, 2095249), (13, 1611730), (26, 805865), (53, 395330), (65, 322346), (106, 197665), (130, 161173), (265, 79066), (530, 39533), (689, 30410), (1378, 15205), (3041, 6890), (3445, 6082)]