20170072836

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{257837}}^1$

素因数の和:257941

約数の個数: 72

約数和(自身を含む): 53214669144

約数和(自身を除く): 33044596308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 53, 82, 106, 123, 159, 164, 212, 246, 318, 369, 477, 492, 636, 738, 954, 1476, 1908, 2173, 4346, 6519, 8692, 13038, 19557, 26076, 39114, 78228, 257837, 515674, 773511, 1031348, 1547022, 2320533, 3094044, 4641066, 9282132, 10571317, 13665361, 21142634, 27330722, 31713951, 40996083, 42285268, 54661444, 63427902, 81992166, 95141853, 122988249, 126855804, 163984332, 190283706, 245976498, 380567412, 491952996, 560279801, 1120559602, 1680839403, 2241119204, 3361678806, 5042518209, 6723357612, 10085036418, 20170072836]

約数ペア:

[(1, 20170072836), (2, 10085036418), (3, 6723357612), (4, 5042518209), (6, 3361678806), (9, 2241119204), (12, 1680839403), (18, 1120559602), (36, 560279801), (41, 491952996), (53, 380567412), (82, 245976498), (106, 190283706), (123, 163984332), (159, 126855804), (164, 122988249), (212, 95141853), (246, 81992166), (318, 63427902), (369, 54661444), (477, 42285268), (492, 40996083), (636, 31713951), (738, 27330722), (954, 21142634), (1476, 13665361), (1908, 10571317), (2173, 9282132), (4346, 4641066), (6519, 3094044), (8692, 2320533), (13038, 1547022), (19557, 1031348), (26076, 773511), (39114, 515674), (78228, 257837)]