20287572

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{39317}}^1$

素因数の和:39367

約数の個数: 24

約数和(自身を含む): 48439776

約数和(自身を除く): 28152204

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 39317, 78634, 117951, 157268, 235902, 471804, 1690631, 3381262, 5071893, 6762524, 10143786, 20287572]

約数ペア:

[(1, 20287572), (2, 10143786), (3, 6762524), (4, 5071893), (6, 3381262), (12, 1690631), (43, 471804), (86, 235902), (129, 157268), (172, 117951), (258, 78634), (516, 39317)]