20189818605

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{887}}^1\times {\mathrm{12541}}^1$

素因数の和:13458

約数の個数: 48

約数和(自身を含む): 35550248832

約数和(自身を除く): 15360430227

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 887, 1815, 2661, 4435, 9757, 12541, 13305, 29271, 37623, 48785, 62705, 107327, 137951, 146355, 188115, 321981, 413853, 536635, 689755, 1517461, 1609905, 2069265, 4552383, 7587305, 11123867, 22761915, 33371601, 55619335, 122362537, 166858005, 367087611, 611812685, 1345987907, 1835438055, 4037963721, 6729939535, 20189818605]

約数ペア:

[(1, 20189818605), (3, 6729939535), (5, 4037963721), (11, 1835438055), (15, 1345987907), (33, 611812685), (55, 367087611), (121, 166858005), (165, 122362537), (363, 55619335), (605, 33371601), (887, 22761915), (1815, 11123867), (2661, 7587305), (4435, 4552383), (9757, 2069265), (12541, 1609905), (13305, 1517461), (29271, 689755), (37623, 536635), (48785, 413853), (62705, 321981), (107327, 188115), (137951, 146355)]