20211037074

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{367781}}^1$

素因数の和:367903

約数の個数: 48

約数和(自身を含む): 45440201664

約数和(自身を除く): 25229164590

約数列:

[1, 2, 3, 6, 9, 18, 43, 71, 86, 129, 142, 213, 258, 387, 426, 639, 774, 1278, 3053, 6106, 9159, 18318, 27477, 54954, 367781, 735562, 1103343, 2206686, 3310029, 6620058, 15814583, 26112451, 31629166, 47443749, 52224902, 78337353, 94887498, 142331247, 156674706, 235012059, 284662494, 470024118, 1122835393, 2245670786, 3368506179, 6737012358, 10105518537, 20211037074]

約数ペア:

[(1, 20211037074), (2, 10105518537), (3, 6737012358), (6, 3368506179), (9, 2245670786), (18, 1122835393), (43, 470024118), (71, 284662494), (86, 235012059), (129, 156674706), (142, 142331247), (213, 94887498), (258, 78337353), (387, 52224902), (426, 47443749), (639, 31629166), (774, 26112451), (1278, 15814583), (3053, 6620058), (6106, 3310029), (9159, 2206686), (18318, 1103343), (27477, 735562), (54954, 367781)]