20121120256

素因数分解:

$2^9\times {\mathrm{587}}^1\times {\mathrm{66949}}^1$

素因数の和:67554

約数の個数: 40

約数和(自身を含む): 40272031800

約数和(自身を除く): 20150911544

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 587, 1174, 2348, 4696, 9392, 18784, 37568, 66949, 75136, 133898, 150272, 267796, 300544, 535592, 1071184, 2142368, 4284736, 8569472, 17138944, 34277888, 39299063, 78598126, 157196252, 314392504, 628785008, 1257570016, 2515140032, 5030280064, 10060560128, 20121120256]

約数ペア:

[(1, 20121120256), (2, 10060560128), (4, 5030280064), (8, 2515140032), (16, 1257570016), (32, 628785008), (64, 314392504), (128, 157196252), (256, 78598126), (512, 39299063), (587, 34277888), (1174, 17138944), (2348, 8569472), (4696, 4284736), (9392, 2142368), (18784, 1071184), (37568, 535592), (66949, 300544), (75136, 267796), (133898, 150272)]