20982012

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{631}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 52238592

約数和(自身を除く): 31256580

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 163, 204, 326, 489, 631, 652, 978, 1262, 1893, 1956, 2524, 2771, 3786, 5542, 7572, 8313, 10727, 11084, 16626, 21454, 32181, 33252, 42908, 64362, 102853, 128724, 205706, 308559, 411412, 617118, 1234236, 1748501, 3497002, 5245503, 6994004, 10491006, 20982012]

約数ペア:

[(1, 20982012), (2, 10491006), (3, 6994004), (4, 5245503), (6, 3497002), (12, 1748501), (17, 1234236), (34, 617118), (51, 411412), (68, 308559), (102, 205706), (163, 128724), (204, 102853), (326, 64362), (489, 42908), (631, 33252), (652, 32181), (978, 21454), (1262, 16626), (1893, 11084), (1956, 10727), (2524, 8313), (2771, 7572), (3786, 5542)]