20616660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{523}}^1$

素因数の和:614

約数の個数: 96

約数和(自身を含む): 65143680

約数和(自身を除く): 44527020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 73, 90, 108, 135, 146, 180, 219, 270, 292, 365, 438, 523, 540, 657, 730, 876, 1046, 1095, 1314, 1460, 1569, 1971, 2092, 2190, 2615, 2628, 3138, 3285, 3942, 4380, 4707, 5230, 6276, 6570, 7845, 7884, 9414, 9855, 10460, 13140, 14121, 15690, 18828, 19710, 23535, 28242, 31380, 38179, 39420, 47070, 56484, 70605, 76358, 94140, 114537, 141210, 152716, 190895, 229074, 282420, 343611, 381790, 458148, 572685, 687222, 763580, 1030833, 1145370, 1374444, 1718055, 2061666, 2290740, 3436110, 4123332, 5154165, 6872220, 10308330, 20616660]

約数ペア:

[(1, 20616660), (2, 10308330), (3, 6872220), (4, 5154165), (5, 4123332), (6, 3436110), (9, 2290740), (10, 2061666), (12, 1718055), (15, 1374444), (18, 1145370), (20, 1030833), (27, 763580), (30, 687222), (36, 572685), (45, 458148), (54, 381790), (60, 343611), (73, 282420), (90, 229074), (108, 190895), (135, 152716), (146, 141210), (180, 114537), (219, 94140), (270, 76358), (292, 70605), (365, 56484), (438, 47070), (523, 39420), (540, 38179), (657, 31380), (730, 28242), (876, 23535), (1046, 19710), (1095, 18828), (1314, 15690), (1460, 14121), (1569, 13140), (1971, 10460), (2092, 9855), (2190, 9414), (2615, 7884), (2628, 7845), (3138, 6570), (3285, 6276), (3942, 5230), (4380, 4707)]