20826864

素因数分解:

$2^4\times 3^2\times {\mathrm{61}}^1\times {\mathrm{2371}}^1$

素因数の和:2446

約数の個数: 60

約数和(自身を含む): 59266792

約数和(自身を除く): 38439928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 72, 122, 144, 183, 244, 366, 488, 549, 732, 976, 1098, 1464, 2196, 2371, 2928, 4392, 4742, 7113, 8784, 9484, 14226, 18968, 21339, 28452, 37936, 42678, 56904, 85356, 113808, 144631, 170712, 289262, 341424, 433893, 578524, 867786, 1157048, 1301679, 1735572, 2314096, 2603358, 3471144, 5206716, 6942288, 10413432, 20826864]

約数ペア:

[(1, 20826864), (2, 10413432), (3, 6942288), (4, 5206716), (6, 3471144), (8, 2603358), (9, 2314096), (12, 1735572), (16, 1301679), (18, 1157048), (24, 867786), (36, 578524), (48, 433893), (61, 341424), (72, 289262), (122, 170712), (144, 144631), (183, 113808), (244, 85356), (366, 56904), (488, 42678), (549, 37936), (732, 28452), (976, 21339), (1098, 18968), (1464, 14226), (2196, 9484), (2371, 8784), (2928, 7113), (4392, 4742)]