20593480

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{433}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 49215600

約数和(自身を除く): 28622120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 82, 116, 145, 164, 205, 232, 290, 328, 410, 433, 580, 820, 866, 1160, 1189, 1640, 1732, 2165, 2378, 3464, 4330, 4756, 5945, 8660, 9512, 11890, 12557, 17320, 17753, 23780, 25114, 35506, 47560, 50228, 62785, 71012, 88765, 100456, 125570, 142024, 177530, 251140, 355060, 502280, 514837, 710120, 1029674, 2059348, 2574185, 4118696, 5148370, 10296740, 20593480]

約数ペア:

[(1, 20593480), (2, 10296740), (4, 5148370), (5, 4118696), (8, 2574185), (10, 2059348), (20, 1029674), (29, 710120), (40, 514837), (41, 502280), (58, 355060), (82, 251140), (116, 177530), (145, 142024), (164, 125570), (205, 100456), (232, 88765), (290, 71012), (328, 62785), (410, 50228), (433, 47560), (580, 35506), (820, 25114), (866, 23780), (1160, 17753), (1189, 17320), (1640, 12557), (1732, 11890), (2165, 9512), (2378, 8660), (3464, 5945), (4330, 4756)]