20209836

素因数分解:

$2^2\times 3^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 48432384

約数和(自身を除く): 28222548

約数列:

[1, 2, 3, 4, 6, 12, 83, 103, 166, 197, 206, 249, 309, 332, 394, 412, 498, 591, 618, 788, 996, 1182, 1236, 2364, 8549, 16351, 17098, 20291, 25647, 32702, 34196, 40582, 49053, 51294, 60873, 65404, 81164, 98106, 102588, 121746, 196212, 243492, 1684153, 3368306, 5052459, 6736612, 10104918, 20209836]

約数ペア:

[(1, 20209836), (2, 10104918), (3, 6736612), (4, 5052459), (6, 3368306), (12, 1684153), (83, 243492), (103, 196212), (166, 121746), (197, 102588), (206, 98106), (249, 81164), (309, 65404), (332, 60873), (394, 51294), (412, 49053), (498, 40582), (591, 34196), (618, 32702), (788, 25647), (996, 20291), (1182, 17098), (1236, 16351), (2364, 8549)]