20123351660

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2837}}^1\times {\mathrm{4273}}^1$

素因数の和:7202

約数の個数: 48

約数和(自身を含む): 42793271136

約数和(自身を除く): 22669919476

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 2837, 4273, 5674, 8546, 11348, 14185, 17092, 21365, 28370, 42730, 56740, 85460, 235471, 354659, 470942, 709318, 941884, 1177355, 1418636, 1773295, 2354710, 3546590, 4709420, 7093180, 12122501, 24245002, 48490004, 60612505, 121225010, 242450020, 1006167583, 2012335166, 4024670332, 5030837915, 10061675830, 20123351660]

約数ペア:

[(1, 20123351660), (2, 10061675830), (4, 5030837915), (5, 4024670332), (10, 2012335166), (20, 1006167583), (83, 242450020), (166, 121225010), (332, 60612505), (415, 48490004), (830, 24245002), (1660, 12122501), (2837, 7093180), (4273, 4709420), (5674, 3546590), (8546, 2354710), (11348, 1773295), (14185, 1418636), (17092, 1177355), (21365, 941884), (28370, 709318), (42730, 470942), (56740, 354659), (85460, 235471)]