20927436

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{349}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 51744000

約数和(自身を除く): 30816564

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 263, 349, 526, 698, 789, 1047, 1052, 1396, 1578, 2094, 3156, 4188, 4997, 6631, 9994, 13262, 14991, 19893, 19988, 26524, 29982, 39786, 59964, 79572, 91787, 183574, 275361, 367148, 550722, 1101444, 1743953, 3487906, 5231859, 6975812, 10463718, 20927436]

約数ペア:

[(1, 20927436), (2, 10463718), (3, 6975812), (4, 5231859), (6, 3487906), (12, 1743953), (19, 1101444), (38, 550722), (57, 367148), (76, 275361), (114, 183574), (228, 91787), (263, 79572), (349, 59964), (526, 39786), (698, 29982), (789, 26524), (1047, 19988), (1052, 19893), (1396, 14991), (1578, 13262), (2094, 9994), (3156, 6631), (4188, 4997)]