20425184

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1327}}^1$

素因数の和:1387

約数の個数: 48

約数和(自身を含む): 44509248

約数和(自身を除く): 24084064

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 74, 104, 148, 208, 296, 416, 481, 592, 962, 1184, 1327, 1924, 2654, 3848, 5308, 7696, 10616, 15392, 17251, 21232, 34502, 42464, 49099, 69004, 98198, 138008, 196396, 276016, 392792, 552032, 638287, 785584, 1276574, 1571168, 2553148, 5106296, 10212592, 20425184]

約数ペア:

[(1, 20425184), (2, 10212592), (4, 5106296), (8, 2553148), (13, 1571168), (16, 1276574), (26, 785584), (32, 638287), (37, 552032), (52, 392792), (74, 276016), (104, 196396), (148, 138008), (208, 98198), (296, 69004), (416, 49099), (481, 42464), (592, 34502), (962, 21232), (1184, 17251), (1327, 15392), (1924, 10616), (2654, 7696), (3848, 5308)]