20280204

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3499}}^1$

素因数の和:3539

約数の個数: 72

約数和(自身を含む): 61152000

約数和(自身を除く): 40871796

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 161, 207, 252, 276, 322, 414, 483, 644, 828, 966, 1449, 1932, 2898, 3499, 5796, 6998, 10497, 13996, 20994, 24493, 31491, 41988, 48986, 62982, 73479, 80477, 97972, 125964, 146958, 160954, 220437, 241431, 293916, 321908, 440874, 482862, 563339, 724293, 881748, 965724, 1126678, 1448586, 1690017, 2253356, 2897172, 3380034, 5070051, 6760068, 10140102, 20280204]

約数ペア:

[(1, 20280204), (2, 10140102), (3, 6760068), (4, 5070051), (6, 3380034), (7, 2897172), (9, 2253356), (12, 1690017), (14, 1448586), (18, 1126678), (21, 965724), (23, 881748), (28, 724293), (36, 563339), (42, 482862), (46, 440874), (63, 321908), (69, 293916), (84, 241431), (92, 220437), (126, 160954), (138, 146958), (161, 125964), (207, 97972), (252, 80477), (276, 73479), (322, 62982), (414, 48986), (483, 41988), (644, 31491), (828, 24493), (966, 20994), (1449, 13996), (1932, 10497), (2898, 6998), (3499, 5796)]