20343556540

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1\times {\mathrm{37217}}^1$

素因数の和:37558

約数の個数: 48

約数和(自身を含む): 43243147584

約数和(自身を除く): 22899591044

約数列:

[1, 2, 4, 5, 10, 20, 151, 181, 302, 362, 604, 724, 755, 905, 1510, 1810, 3020, 3620, 27331, 37217, 54662, 74434, 109324, 136655, 148868, 186085, 273310, 372170, 546620, 744340, 5619767, 6736277, 11239534, 13472554, 22479068, 26945108, 28098835, 33681385, 56197670, 67362770, 112395340, 134725540, 1017177827, 2034355654, 4068711308, 5085889135, 10171778270, 20343556540]

約数ペア:

[(1, 20343556540), (2, 10171778270), (4, 5085889135), (5, 4068711308), (10, 2034355654), (20, 1017177827), (151, 134725540), (181, 112395340), (302, 67362770), (362, 56197670), (604, 33681385), (724, 28098835), (755, 26945108), (905, 22479068), (1510, 13472554), (1810, 11239534), (3020, 6736277), (3620, 5619767), (27331, 744340), (37217, 546620), (54662, 372170), (74434, 273310), (109324, 186085), (136655, 148868)]