20834860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{263}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 46702656

約数和(自身を除く): 25867796

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 233, 263, 340, 466, 526, 932, 1052, 1165, 1315, 2330, 2630, 3961, 4471, 4660, 5260, 7922, 8942, 15844, 17884, 19805, 22355, 39610, 44710, 61279, 79220, 89420, 122558, 245116, 306395, 612790, 1041743, 1225580, 2083486, 4166972, 5208715, 10417430, 20834860]

約数ペア:

[(1, 20834860), (2, 10417430), (4, 5208715), (5, 4166972), (10, 2083486), (17, 1225580), (20, 1041743), (34, 612790), (68, 306395), (85, 245116), (170, 122558), (233, 89420), (263, 79220), (340, 61279), (466, 44710), (526, 39610), (932, 22355), (1052, 19805), (1165, 17884), (1315, 15844), (2330, 8942), (2630, 7922), (3961, 5260), (4471, 4660)]