20485752

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1$

素因数の和:2076

約数の個数: 64

約数和(自身を含む): 59520000

約数和(自身を除く): 39034248

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 61, 84, 122, 168, 183, 244, 366, 427, 488, 732, 854, 1281, 1464, 1708, 1999, 2562, 3416, 3998, 5124, 5997, 7996, 10248, 11994, 13993, 15992, 23988, 27986, 41979, 47976, 55972, 83958, 111944, 121939, 167916, 243878, 335832, 365817, 487756, 731634, 853573, 975512, 1463268, 1707146, 2560719, 2926536, 3414292, 5121438, 6828584, 10242876, 20485752]

約数ペア:

[(1, 20485752), (2, 10242876), (3, 6828584), (4, 5121438), (6, 3414292), (7, 2926536), (8, 2560719), (12, 1707146), (14, 1463268), (21, 975512), (24, 853573), (28, 731634), (42, 487756), (56, 365817), (61, 335832), (84, 243878), (122, 167916), (168, 121939), (183, 111944), (244, 83958), (366, 55972), (427, 47976), (488, 41979), (732, 27986), (854, 23988), (1281, 15992), (1464, 13993), (1708, 11994), (1999, 10248), (2562, 7996), (3416, 5997), (3998, 5124)]