20150008

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 38792160

約数和(自身を除く): 18642152

約数列:

[1, 2, 4, 8, 61, 122, 157, 244, 263, 314, 488, 526, 628, 1052, 1256, 2104, 9577, 16043, 19154, 32086, 38308, 41291, 64172, 76616, 82582, 128344, 165164, 330328, 2518751, 5037502, 10075004, 20150008]

約数ペア:

[(1, 20150008), (2, 10075004), (4, 5037502), (8, 2518751), (61, 330328), (122, 165164), (157, 128344), (244, 82582), (263, 76616), (314, 64172), (488, 41291), (526, 38308), (628, 32086), (1052, 19154), (1256, 16043), (2104, 9577)]