20819691378

素因数分解:

$2^1\times 3^2\times {\mathrm{103}}^1\times {\mathrm{443}}^1\times {\mathrm{25349}}^1$

素因数の和:25903

約数の個数: 48

約数和(自身を含む): 45651902400

約数和(自身を除く): 24832211022

約数列:

[1, 2, 3, 6, 9, 18, 103, 206, 309, 443, 618, 886, 927, 1329, 1854, 2658, 3987, 7974, 25349, 45629, 50698, 76047, 91258, 136887, 152094, 228141, 273774, 410661, 456282, 821322, 2610947, 5221894, 7832841, 11229607, 15665682, 22459214, 23498523, 33688821, 46997046, 67377642, 101066463, 202132926, 1156649521, 2313299042, 3469948563, 6939897126, 10409845689, 20819691378]

約数ペア:

[(1, 20819691378), (2, 10409845689), (3, 6939897126), (6, 3469948563), (9, 2313299042), (18, 1156649521), (103, 202132926), (206, 101066463), (309, 67377642), (443, 46997046), (618, 33688821), (886, 23498523), (927, 22459214), (1329, 15665682), (1854, 11229607), (2658, 7832841), (3987, 5221894), (7974, 2610947), (25349, 821322), (45629, 456282), (50698, 410661), (76047, 273774), (91258, 228141), (136887, 152094)]