20120259285

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3361781}}^1$

素因数の和:3361818

約数の個数: 48

約数和(自身を含む): 41955039360

約数和(自身を除く): 21834780075

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 5985, 3361781, 10085343, 16808905, 23532467, 30256029, 50426715, 63873839, 70597401, 117662335, 151280145, 191621517, 211792203, 319369195, 352987005, 447116873, 574864551, 958107585, 1058961015, 1341350619, 2235584365, 2874322755, 4024051857, 6706753095, 20120259285]

約数ペア:

[(1, 20120259285), (3, 6706753095), (5, 4024051857), (7, 2874322755), (9, 2235584365), (15, 1341350619), (19, 1058961015), (21, 958107585), (35, 574864551), (45, 447116873), (57, 352987005), (63, 319369195), (95, 211792203), (105, 191621517), (133, 151280145), (171, 117662335), (285, 70597401), (315, 63873839), (399, 50426715), (665, 30256029), (855, 23532467), (1197, 16808905), (1995, 10085343), (5985, 3361781)]