20650470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 51577344

約数和(自身を除く): 30926874

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 103, 123, 163, 205, 206, 246, 309, 326, 410, 489, 515, 615, 618, 815, 978, 1030, 1230, 1545, 1630, 2445, 3090, 4223, 4890, 6683, 8446, 12669, 13366, 16789, 20049, 21115, 25338, 33415, 33578, 40098, 42230, 50367, 63345, 66830, 83945, 100245, 100734, 126690, 167890, 200490, 251835, 503670, 688349, 1376698, 2065047, 3441745, 4130094, 6883490, 10325235, 20650470]

約数ペア:

[(1, 20650470), (2, 10325235), (3, 6883490), (5, 4130094), (6, 3441745), (10, 2065047), (15, 1376698), (30, 688349), (41, 503670), (82, 251835), (103, 200490), (123, 167890), (163, 126690), (205, 100734), (206, 100245), (246, 83945), (309, 66830), (326, 63345), (410, 50367), (489, 42230), (515, 40098), (615, 33578), (618, 33415), (815, 25338), (978, 21115), (1030, 20049), (1230, 16789), (1545, 13366), (1630, 12669), (2445, 8446), (3090, 6683), (4223, 4890)]