20386804590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{613}}^1\times {\mathrm{823}}^1$

素因数の和:1898

約数の個数: 96

約数和(自身を含む): 53275060800

約数和(自身を除く): 32888256210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 449, 613, 823, 898, 1226, 1347, 1646, 1839, 2245, 2469, 2694, 3065, 3678, 4041, 4115, 4490, 4938, 5517, 6130, 6735, 7407, 8082, 8230, 9195, 11034, 12345, 13470, 14814, 18390, 20205, 24690, 27585, 37035, 40410, 55170, 74070, 275237, 369527, 504499, 550474, 739054, 825711, 1008998, 1108581, 1376185, 1513497, 1651422, 1847635, 2217162, 2477133, 2522495, 2752370, 3026994, 3325743, 3695270, 4128555, 4540491, 4954266, 5044990, 5542905, 6651486, 7567485, 8257110, 9080982, 11085810, 12385665, 15134970, 16628715, 22702455, 24771330, 33257430, 45404910, 226520051, 453040102, 679560153, 1132600255, 1359120306, 2038680459, 2265200510, 3397800765, 4077360918, 6795601530, 10193402295, 20386804590]

約数ペア:

[(1, 20386804590), (2, 10193402295), (3, 6795601530), (5, 4077360918), (6, 3397800765), (9, 2265200510), (10, 2038680459), (15, 1359120306), (18, 1132600255), (30, 679560153), (45, 453040102), (90, 226520051), (449, 45404910), (613, 33257430), (823, 24771330), (898, 22702455), (1226, 16628715), (1347, 15134970), (1646, 12385665), (1839, 11085810), (2245, 9080982), (2469, 8257110), (2694, 7567485), (3065, 6651486), (3678, 5542905), (4041, 5044990), (4115, 4954266), (4490, 4540491), (4938, 4128555), (5517, 3695270), (6130, 3325743), (6735, 3026994), (7407, 2752370), (8082, 2522495), (8230, 2477133), (9195, 2217162), (11034, 1847635), (12345, 1651422), (13470, 1513497), (14814, 1376185), (18390, 1108581), (20205, 1008998), (24690, 825711), (27585, 739054), (37035, 550474), (40410, 504499), (55170, 369527), (74070, 275237)]