20051395

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 29933568

約数和(自身を除く): 9882173

約数列:

[1, 5, 7, 13, 35, 65, 91, 127, 347, 455, 635, 889, 1651, 1735, 2429, 4445, 4511, 8255, 11557, 12145, 22555, 31577, 44069, 57785, 157885, 220345, 308483, 572897, 1542415, 2864485, 4010279, 20051395]

約数ペア:

[(1, 20051395), (5, 4010279), (7, 2864485), (13, 1542415), (35, 572897), (65, 308483), (91, 220345), (127, 157885), (347, 57785), (455, 44069), (635, 31577), (889, 22555), (1651, 12145), (1735, 11557), (2429, 8255), (4445, 4511)]