20065216

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{569}}^1$

素因数の和:629

約数の個数: 56

約数和(自身を含む): 43434000

約数和(自身を除く): 23368784

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 64, 76, 116, 152, 232, 304, 464, 551, 569, 608, 928, 1102, 1138, 1216, 1856, 2204, 2276, 4408, 4552, 8816, 9104, 10811, 16501, 17632, 18208, 21622, 33002, 35264, 36416, 43244, 66004, 86488, 132008, 172976, 264016, 313519, 345952, 528032, 627038, 691904, 1056064, 1254076, 2508152, 5016304, 10032608, 20065216]

約数ペア:

[(1, 20065216), (2, 10032608), (4, 5016304), (8, 2508152), (16, 1254076), (19, 1056064), (29, 691904), (32, 627038), (38, 528032), (58, 345952), (64, 313519), (76, 264016), (116, 172976), (152, 132008), (232, 86488), (304, 66004), (464, 43244), (551, 36416), (569, 35264), (608, 33002), (928, 21622), (1102, 18208), (1138, 17632), (1216, 16501), (1856, 10811), (2204, 9104), (2276, 8816), (4408, 4552)]