20527980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1637}}^1$

素因数の和:1679

約数の個数: 96

約数和(自身を含む): 66044160

約数和(自身を除く): 45516180

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 44, 55, 57, 60, 66, 76, 95, 110, 114, 132, 165, 190, 209, 220, 228, 285, 330, 380, 418, 570, 627, 660, 836, 1045, 1140, 1254, 1637, 2090, 2508, 3135, 3274, 4180, 4911, 6270, 6548, 8185, 9822, 12540, 16370, 18007, 19644, 24555, 31103, 32740, 36014, 49110, 54021, 62206, 72028, 90035, 93309, 98220, 108042, 124412, 155515, 180070, 186618, 216084, 270105, 311030, 342133, 360140, 373236, 466545, 540210, 622060, 684266, 933090, 1026399, 1080420, 1368532, 1710665, 1866180, 2052798, 3421330, 4105596, 5131995, 6842660, 10263990, 20527980]

約数ペア:

[(1, 20527980), (2, 10263990), (3, 6842660), (4, 5131995), (5, 4105596), (6, 3421330), (10, 2052798), (11, 1866180), (12, 1710665), (15, 1368532), (19, 1080420), (20, 1026399), (22, 933090), (30, 684266), (33, 622060), (38, 540210), (44, 466545), (55, 373236), (57, 360140), (60, 342133), (66, 311030), (76, 270105), (95, 216084), (110, 186618), (114, 180070), (132, 155515), (165, 124412), (190, 108042), (209, 98220), (220, 93309), (228, 90035), (285, 72028), (330, 62206), (380, 54021), (418, 49110), (570, 36014), (627, 32740), (660, 31103), (836, 24555), (1045, 19644), (1140, 18007), (1254, 16370), (1637, 12540), (2090, 9822), (2508, 8185), (3135, 6548), (3274, 6270), (4180, 4911)]