20854974

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21589}}^1$

素因数の和:21624

約数の個数: 32

約数和(自身を含む): 49743360

約数和(自身を除く): 28888386

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 966, 21589, 43178, 64767, 129534, 151123, 302246, 453369, 496547, 906738, 993094, 1489641, 2979282, 3475829, 6951658, 10427487, 20854974]

約数ペア:

[(1, 20854974), (2, 10427487), (3, 6951658), (6, 3475829), (7, 2979282), (14, 1489641), (21, 993094), (23, 906738), (42, 496547), (46, 453369), (69, 302246), (138, 151123), (161, 129534), (322, 64767), (483, 43178), (966, 21589)]