20610980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79273}}^1$

素因数の和:79295

約数の個数: 24

約数和(自身を含む): 46613112

約数和(自身を除く): 26002132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 79273, 158546, 317092, 396365, 792730, 1030549, 1585460, 2061098, 4122196, 5152745, 10305490, 20610980]

約数ペア:

[(1, 20610980), (2, 10305490), (4, 5152745), (5, 4122196), (10, 2061098), (13, 1585460), (20, 1030549), (26, 792730), (52, 396365), (65, 317092), (130, 158546), (260, 79273)]