20104908

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{829}}^1$

素因数の和:926

約数の個数: 48

約数和(自身を含む): 49082880

約数和(自身を除く): 28977972

約数列:

[1, 2, 3, 4, 6, 12, 43, 47, 86, 94, 129, 141, 172, 188, 258, 282, 516, 564, 829, 1658, 2021, 2487, 3316, 4042, 4974, 6063, 8084, 9948, 12126, 24252, 35647, 38963, 71294, 77926, 106941, 116889, 142588, 155852, 213882, 233778, 427764, 467556, 1675409, 3350818, 5026227, 6701636, 10052454, 20104908]

約数ペア:

[(1, 20104908), (2, 10052454), (3, 6701636), (4, 5026227), (6, 3350818), (12, 1675409), (43, 467556), (47, 427764), (86, 233778), (94, 213882), (129, 155852), (141, 142588), (172, 116889), (188, 106941), (258, 77926), (282, 71294), (516, 38963), (564, 35647), (829, 24252), (1658, 12126), (2021, 9948), (2487, 8084), (3316, 6063), (4042, 4974)]