20087808512

素因数分解:

$2^9\times {\mathrm{139}}^1\times {\mathrm{239}}^1\times {\mathrm{1181}}^1$

素因数の和:1577

約数の個数: 80

約数和(自身を含む): 40628649600

約数和(自身を除く): 20540841088

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 239, 256, 278, 478, 512, 556, 956, 1112, 1181, 1912, 2224, 2362, 3824, 4448, 4724, 7648, 8896, 9448, 15296, 17792, 18896, 30592, 33221, 35584, 37792, 61184, 66442, 71168, 75584, 122368, 132884, 151168, 164159, 265768, 282259, 302336, 328318, 531536, 564518, 604672, 656636, 1063072, 1129036, 1313272, 2126144, 2258072, 2626544, 4252288, 4516144, 5253088, 8504576, 9032288, 10506176, 17009152, 18064576, 21012352, 36129152, 39234001, 42024704, 72258304, 78468002, 84049408, 144516608, 156936004, 313872008, 627744016, 1255488032, 2510976064, 5021952128, 10043904256, 20087808512]

約数ペア:

[(1, 20087808512), (2, 10043904256), (4, 5021952128), (8, 2510976064), (16, 1255488032), (32, 627744016), (64, 313872008), (128, 156936004), (139, 144516608), (239, 84049408), (256, 78468002), (278, 72258304), (478, 42024704), (512, 39234001), (556, 36129152), (956, 21012352), (1112, 18064576), (1181, 17009152), (1912, 10506176), (2224, 9032288), (2362, 8504576), (3824, 5253088), (4448, 4516144), (4724, 4252288), (7648, 2626544), (8896, 2258072), (9448, 2126144), (15296, 1313272), (17792, 1129036), (18896, 1063072), (30592, 656636), (33221, 604672), (35584, 564518), (37792, 531536), (61184, 328318), (66442, 302336), (71168, 282259), (75584, 265768), (122368, 164159), (132884, 151168)]