20172901888

素因数分解:

$2^9\times {\mathrm{449}}^1\times {\mathrm{87751}}^1$

素因数の和:88218

約数の個数: 40

約数和(自身を含む): 40396633200

約数和(自身を除く): 20223731312

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 449, 512, 898, 1796, 3592, 7184, 14368, 28736, 57472, 87751, 114944, 175502, 229888, 351004, 702008, 1404016, 2808032, 5616064, 11232128, 22464256, 39400199, 44928512, 78800398, 157600796, 315201592, 630403184, 1260806368, 2521612736, 5043225472, 10086450944, 20172901888]

約数ペア:

[(1, 20172901888), (2, 10086450944), (4, 5043225472), (8, 2521612736), (16, 1260806368), (32, 630403184), (64, 315201592), (128, 157600796), (256, 78800398), (449, 44928512), (512, 39400199), (898, 22464256), (1796, 11232128), (3592, 5616064), (7184, 2808032), (14368, 1404016), (28736, 702008), (57472, 351004), (87751, 229888), (114944, 175502)]