20551944

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1723}}^1$

素因数の和:1810

約数の個数: 64

約数和(自身を含む): 59581440

約数和(自身を除く): 39029496

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 71, 84, 142, 168, 213, 284, 426, 497, 568, 852, 994, 1491, 1704, 1723, 1988, 2982, 3446, 3976, 5169, 5964, 6892, 10338, 11928, 12061, 13784, 20676, 24122, 36183, 41352, 48244, 72366, 96488, 122333, 144732, 244666, 289464, 366999, 489332, 733998, 856331, 978664, 1467996, 1712662, 2568993, 2935992, 3425324, 5137986, 6850648, 10275972, 20551944]

約数ペア:

[(1, 20551944), (2, 10275972), (3, 6850648), (4, 5137986), (6, 3425324), (7, 2935992), (8, 2568993), (12, 1712662), (14, 1467996), (21, 978664), (24, 856331), (28, 733998), (42, 489332), (56, 366999), (71, 289464), (84, 244666), (142, 144732), (168, 122333), (213, 96488), (284, 72366), (426, 48244), (497, 41352), (568, 36183), (852, 24122), (994, 20676), (1491, 13784), (1704, 12061), (1723, 11928), (1988, 10338), (2982, 6892), (3446, 5964), (3976, 5169)]