20151226208

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{557}}^1\times {\mathrm{12703}}^1$

素因数の和:13359

約数の個数: 48

約数和(自身を含む): 40193677440

約数和(自身を除く): 20042451232

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 356, 557, 712, 1114, 1424, 2228, 2848, 4456, 8912, 12703, 17824, 25406, 49573, 50812, 99146, 101624, 198292, 203248, 396584, 406496, 793168, 1130567, 1586336, 2261134, 4522268, 7075571, 9044536, 14151142, 18089072, 28302284, 36178144, 56604568, 113209136, 226418272, 629725819, 1259451638, 2518903276, 5037806552, 10075613104, 20151226208]

約数ペア:

[(1, 20151226208), (2, 10075613104), (4, 5037806552), (8, 2518903276), (16, 1259451638), (32, 629725819), (89, 226418272), (178, 113209136), (356, 56604568), (557, 36178144), (712, 28302284), (1114, 18089072), (1424, 14151142), (2228, 9044536), (2848, 7075571), (4456, 4522268), (8912, 2261134), (12703, 1586336), (17824, 1130567), (25406, 793168), (49573, 406496), (50812, 396584), (99146, 203248), (101624, 198292)]