20165378804920

素因数分解:

$2^3\times 5^1\times {\mathrm{859}}^1\times {\mathrm{54437}}^1\times {\mathrm{10781}}^1$

素因数の和:66088

約数の個数: 64

約数和(自身を含む): 45429969938400

約数和(自身を除く): 25264591133480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 859, 1718, 3436, 4295, 6872, 8590, 10781, 17180, 21562, 34360, 43124, 53905, 54437, 86248, 107810, 108874, 215620, 217748, 272185, 431240, 435496, 544370, 1088740, 2177480, 9260879, 18521758, 37043516, 46304395, 46761383, 74087032, 92608790, 93522766, 185217580, 187045532, 233806915, 370435160, 374091064, 467613830, 586885297, 935227660, 1173770594, 1870455320, 2347541188, 2934426485, 4695082376, 5868852970, 11737705940, 23475411880, 504134470123, 1008268940246, 2016537880492, 2520672350615, 4033075760984, 5041344701230, 10082689402460, 20165378804920]

約数ペア:

[(1, 20165378804920), (2, 10082689402460), (4, 5041344701230), (5, 4033075760984), (8, 2520672350615), (10, 2016537880492), (20, 1008268940246), (40, 504134470123), (859, 23475411880), (1718, 11737705940), (3436, 5868852970), (4295, 4695082376), (6872, 2934426485), (8590, 2347541188), (10781, 1870455320), (17180, 1173770594), (21562, 935227660), (34360, 586885297), (43124, 467613830), (53905, 374091064), (54437, 370435160), (86248, 233806915), (107810, 187045532), (108874, 185217580), (215620, 93522766), (217748, 92608790), (272185, 74087032), (431240, 46761383), (435496, 46304395), (544370, 37043516), (1088740, 18521758), (2177480, 9260879)]