20163564009

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{739}}^1\times {\mathrm{17729}}^1$

素因数の和:18499

約数の個数: 40

約数和(自身を含む): 31750884000

約数和(自身を除く): 11587319991

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 739, 1539, 2217, 6651, 14041, 17729, 19953, 42123, 53187, 59859, 126369, 159561, 336851, 379107, 478683, 1010553, 1137321, 1436049, 3031659, 9094977, 13101731, 27284931, 39305193, 117915579, 248932889, 353746737, 746798667, 1061240211, 2240396001, 6721188003, 20163564009]

約数ペア:

[(1, 20163564009), (3, 6721188003), (9, 2240396001), (19, 1061240211), (27, 746798667), (57, 353746737), (81, 248932889), (171, 117915579), (513, 39305193), (739, 27284931), (1539, 13101731), (2217, 9094977), (6651, 3031659), (14041, 1436049), (17729, 1137321), (19953, 1010553), (42123, 478683), (53187, 379107), (59859, 336851), (126369, 159561)]