20512693121992

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{433}}^1\times {\mathrm{6803}}^1\times {\mathrm{51203}}^1$

素因数の和:58462

約数の個数: 64

約数和(自身を含む): 40824576434880

約数和(自身を除く): 20311883312888

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 433, 866, 1732, 3464, 6803, 7361, 13606, 14722, 27212, 29444, 51203, 54424, 58888, 102406, 115651, 204812, 231302, 409624, 462604, 870451, 925208, 1740902, 2945699, 3481804, 5891398, 6963608, 11782796, 22170899, 23565592, 44341798, 50076883, 88683596, 100153766, 177367192, 200307532, 348334009, 376905283, 400615064, 696668018, 753810566, 1393336036, 1507621132, 2786672072, 3015242264, 5921678153, 11843356306, 23686712612, 47373425224, 150828625897, 301657251794, 603314503588, 1206629007176, 2564086640249, 5128173280498, 10256346560996, 20512693121992]

約数ペア:

[(1, 20512693121992), (2, 10256346560996), (4, 5128173280498), (8, 2564086640249), (17, 1206629007176), (34, 603314503588), (68, 301657251794), (136, 150828625897), (433, 47373425224), (866, 23686712612), (1732, 11843356306), (3464, 5921678153), (6803, 3015242264), (7361, 2786672072), (13606, 1507621132), (14722, 1393336036), (27212, 753810566), (29444, 696668018), (51203, 400615064), (54424, 376905283), (58888, 348334009), (102406, 200307532), (115651, 177367192), (204812, 100153766), (231302, 88683596), (409624, 50076883), (462604, 44341798), (870451, 23565592), (925208, 22170899), (1740902, 11782796), (2945699, 6963608), (3481804, 5891398)]