20864417186

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1\times {\mathrm{19309}}^1$

素因数の和:19910

約数の個数: 32

約数和(自身を含む): 33747237360

約数和(自身を除く): 12882820174

約数列:

[1, 2, 17, 34, 61, 122, 521, 1037, 1042, 2074, 8857, 17714, 19309, 31781, 38618, 63562, 328253, 540277, 656506, 1080554, 1177849, 2355698, 10059989, 20023433, 20119978, 40046866, 171019813, 342039626, 613659329, 1227318658, 10432208593, 20864417186]

約数ペア:

[(1, 20864417186), (2, 10432208593), (17, 1227318658), (34, 613659329), (61, 342039626), (122, 171019813), (521, 40046866), (1037, 20119978), (1042, 20023433), (2074, 10059989), (8857, 2355698), (17714, 1177849), (19309, 1080554), (31781, 656506), (38618, 540277), (63562, 328253)]