20769788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{3049}}^1$

素因数の和:3197

約数の個数: 24

約数和(自身を含む): 39454800

約数和(自身を除く): 18685012

約数列:

[1, 2, 4, 13, 26, 52, 131, 262, 524, 1703, 3049, 3406, 6098, 6812, 12196, 39637, 79274, 158548, 399419, 798838, 1597676, 5192447, 10384894, 20769788]

約数ペア:

[(1, 20769788), (2, 10384894), (4, 5192447), (13, 1597676), (26, 798838), (52, 399419), (131, 158548), (262, 79274), (524, 39637), (1703, 12196), (3049, 6812), (3406, 6098)]