20006490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2027}}^1$

素因数の和:2091

約数の個数: 64

約数和(自身を含む): 56070144

約数和(自身を除く): 36063654

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 70, 94, 105, 141, 210, 235, 282, 329, 470, 658, 705, 987, 1410, 1645, 1974, 2027, 3290, 4054, 4935, 6081, 9870, 10135, 12162, 14189, 20270, 28378, 30405, 42567, 60810, 70945, 85134, 95269, 141890, 190538, 212835, 285807, 425670, 476345, 571614, 666883, 952690, 1333766, 1429035, 2000649, 2858070, 3334415, 4001298, 6668830, 10003245, 20006490]

約数ペア:

[(1, 20006490), (2, 10003245), (3, 6668830), (5, 4001298), (6, 3334415), (7, 2858070), (10, 2000649), (14, 1429035), (15, 1333766), (21, 952690), (30, 666883), (35, 571614), (42, 476345), (47, 425670), (70, 285807), (94, 212835), (105, 190538), (141, 141890), (210, 95269), (235, 85134), (282, 70945), (329, 60810), (470, 42567), (658, 30405), (705, 28378), (987, 20270), (1410, 14189), (1645, 12162), (1974, 10135), (2027, 9870), (3290, 6081), (4054, 4935)]