20171423540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{253601}}^1$

素因数の和:253748

約数の個数: 48

約数和(自身を含む): 43840684944

約数和(自身を除く): 23669261404

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 97, 164, 194, 205, 388, 410, 485, 820, 970, 1940, 3977, 7954, 15908, 19885, 39770, 79540, 253601, 507202, 1014404, 1268005, 2536010, 5072020, 10397641, 20795282, 24599297, 41590564, 49198594, 51988205, 98397188, 103976410, 122996485, 207952820, 245992970, 491985940, 1008571177, 2017142354, 4034284708, 5042855885, 10085711770, 20171423540]

約数ペア:

[(1, 20171423540), (2, 10085711770), (4, 5042855885), (5, 4034284708), (10, 2017142354), (20, 1008571177), (41, 491985940), (82, 245992970), (97, 207952820), (164, 122996485), (194, 103976410), (205, 98397188), (388, 51988205), (410, 49198594), (485, 41590564), (820, 24599297), (970, 20795282), (1940, 10397641), (3977, 5072020), (7954, 2536010), (15908, 1268005), (19885, 1014404), (39770, 507202), (79540, 253601)]