20892830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 46230912

約数和(自身を除く): 25338082

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 97, 119, 170, 181, 194, 238, 362, 485, 595, 679, 905, 970, 1190, 1267, 1358, 1649, 1810, 2534, 3077, 3298, 3395, 6154, 6335, 6790, 8245, 11543, 12670, 15385, 16490, 17557, 21539, 23086, 30770, 35114, 43078, 57715, 87785, 107695, 115430, 122899, 175570, 215390, 245798, 298469, 596938, 614495, 1228990, 1492345, 2089283, 2984690, 4178566, 10446415, 20892830]

約数ペア:

[(1, 20892830), (2, 10446415), (5, 4178566), (7, 2984690), (10, 2089283), (14, 1492345), (17, 1228990), (34, 614495), (35, 596938), (70, 298469), (85, 245798), (97, 215390), (119, 175570), (170, 122899), (181, 115430), (194, 107695), (238, 87785), (362, 57715), (485, 43078), (595, 35114), (679, 30770), (905, 23086), (970, 21539), (1190, 17557), (1267, 16490), (1358, 15385), (1649, 12670), (1810, 11543), (2534, 8245), (3077, 6790), (3298, 6335), (3395, 6154)]