20191547536

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{1723}}^1\times {\mathrm{12007}}^1$

素因数の和:13799

約数の個数: 40

約数和(自身を含む): 39788844224

約数和(自身を除く): 19597296688

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 1723, 3446, 6892, 12007, 13784, 24014, 27568, 48028, 96056, 105103, 192112, 210206, 420412, 732427, 840824, 1464854, 1681648, 2929708, 5859416, 11718832, 20688061, 41376122, 82752244, 165504488, 331008976, 1261971721, 2523943442, 5047886884, 10095773768, 20191547536]

約数ペア:

[(1, 20191547536), (2, 10095773768), (4, 5047886884), (8, 2523943442), (16, 1261971721), (61, 331008976), (122, 165504488), (244, 82752244), (488, 41376122), (976, 20688061), (1723, 11718832), (3446, 5859416), (6892, 2929708), (12007, 1681648), (13784, 1464854), (24014, 840824), (27568, 732427), (48028, 420412), (96056, 210206), (105103, 192112)]