20163018840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1226461}}^1$

素因数の和:1226612

約数の個数: 64

約数和(自身を含む): 60930632160

約数和(自身を除く): 40767613320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 137, 274, 411, 548, 685, 822, 1096, 1370, 1644, 2055, 2740, 3288, 4110, 5480, 8220, 16440, 1226461, 2452922, 3679383, 4905844, 6132305, 7358766, 9811688, 12264610, 14717532, 18396915, 24529220, 29435064, 36793830, 49058440, 73587660, 147175320, 168025157, 336050314, 504075471, 672100628, 840125785, 1008150942, 1344201256, 1680251570, 2016301884, 2520377355, 3360503140, 4032603768, 5040754710, 6721006280, 10081509420, 20163018840]

約数ペア:

[(1, 20163018840), (2, 10081509420), (3, 6721006280), (4, 5040754710), (5, 4032603768), (6, 3360503140), (8, 2520377355), (10, 2016301884), (12, 1680251570), (15, 1344201256), (20, 1008150942), (24, 840125785), (30, 672100628), (40, 504075471), (60, 336050314), (120, 168025157), (137, 147175320), (274, 73587660), (411, 49058440), (548, 36793830), (685, 29435064), (822, 24529220), (1096, 18396915), (1370, 14717532), (1644, 12264610), (2055, 9811688), (2740, 7358766), (3288, 6132305), (4110, 4905844), (5480, 3679383), (8220, 2452922), (16440, 1226461)]