20005170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:479

約数の個数: 64

約数和(自身を含む): 50872320

約数和(自身を除く): 30867150

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 79, 115, 138, 158, 230, 237, 345, 367, 395, 474, 690, 734, 790, 1101, 1185, 1817, 1835, 2202, 2370, 3634, 3670, 5451, 5505, 8441, 9085, 10902, 11010, 16882, 18170, 25323, 27255, 28993, 42205, 50646, 54510, 57986, 84410, 86979, 126615, 144965, 173958, 253230, 289930, 434895, 666839, 869790, 1333678, 2000517, 3334195, 4001034, 6668390, 10002585, 20005170]

約数ペア:

[(1, 20005170), (2, 10002585), (3, 6668390), (5, 4001034), (6, 3334195), (10, 2000517), (15, 1333678), (23, 869790), (30, 666839), (46, 434895), (69, 289930), (79, 253230), (115, 173958), (138, 144965), (158, 126615), (230, 86979), (237, 84410), (345, 57986), (367, 54510), (395, 50646), (474, 42205), (690, 28993), (734, 27255), (790, 25323), (1101, 18170), (1185, 16882), (1817, 11010), (1835, 10902), (2202, 9085), (2370, 8441), (3634, 5505), (3670, 5451)]