20354991232

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{463}}^1\times {\mathrm{18077}}^1$

素因数の和:18573

約数の個数: 64

約数和(自身を含む): 42779779200

約数和(自身を除く): 22424787968

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 463, 608, 926, 1216, 1852, 2432, 3704, 7408, 8797, 14816, 17594, 18077, 29632, 35188, 36154, 59264, 70376, 72308, 140752, 144616, 281504, 289232, 343463, 563008, 578464, 686926, 1126016, 1156928, 1373852, 2313856, 2747704, 5495408, 8369651, 10990816, 16739302, 21981632, 33478604, 43963264, 66957208, 133914416, 159023369, 267828832, 318046738, 535657664, 636093476, 1071315328, 1272186952, 2544373904, 5088747808, 10177495616, 20354991232]

約数ペア:

[(1, 20354991232), (2, 10177495616), (4, 5088747808), (8, 2544373904), (16, 1272186952), (19, 1071315328), (32, 636093476), (38, 535657664), (64, 318046738), (76, 267828832), (128, 159023369), (152, 133914416), (304, 66957208), (463, 43963264), (608, 33478604), (926, 21981632), (1216, 16739302), (1852, 10990816), (2432, 8369651), (3704, 5495408), (7408, 2747704), (8797, 2313856), (14816, 1373852), (17594, 1156928), (18077, 1126016), (29632, 686926), (35188, 578464), (36154, 563008), (59264, 343463), (70376, 289232), (72308, 281504), (140752, 144616)]