20920764660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1\times {\mathrm{13487}}^1$

素因数の和:13853

約数の個数: 96

約数和(自身を含む): 59386908672

約数和(自身を除く): 38466144012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 251, 309, 412, 502, 515, 618, 753, 1004, 1030, 1236, 1255, 1506, 1545, 2060, 2510, 3012, 3090, 3765, 5020, 6180, 7530, 13487, 15060, 25853, 26974, 40461, 51706, 53948, 67435, 77559, 80922, 103412, 129265, 134870, 155118, 161844, 202305, 258530, 269740, 310236, 387795, 404610, 517060, 775590, 809220, 1389161, 1551180, 2778322, 3385237, 4167483, 5556644, 6770474, 6945805, 8334966, 10155711, 13540948, 13891610, 16669932, 16926185, 20311422, 20837415, 27783220, 33852370, 40622844, 41674830, 50778555, 67704740, 83349660, 101557110, 203114220, 348679411, 697358822, 1046038233, 1394717644, 1743397055, 2092076466, 3486794110, 4184152932, 5230191165, 6973588220, 10460382330, 20920764660]

約数ペア:

[(1, 20920764660), (2, 10460382330), (3, 6973588220), (4, 5230191165), (5, 4184152932), (6, 3486794110), (10, 2092076466), (12, 1743397055), (15, 1394717644), (20, 1046038233), (30, 697358822), (60, 348679411), (103, 203114220), (206, 101557110), (251, 83349660), (309, 67704740), (412, 50778555), (502, 41674830), (515, 40622844), (618, 33852370), (753, 27783220), (1004, 20837415), (1030, 20311422), (1236, 16926185), (1255, 16669932), (1506, 13891610), (1545, 13540948), (2060, 10155711), (2510, 8334966), (3012, 6945805), (3090, 6770474), (3765, 5556644), (5020, 4167483), (6180, 3385237), (7530, 2778322), (13487, 1551180), (15060, 1389161), (25853, 809220), (26974, 775590), (40461, 517060), (51706, 404610), (53948, 387795), (67435, 310236), (77559, 269740), (80922, 258530), (103412, 202305), (129265, 161844), (134870, 155118)]