20205087160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2477}}^1\times {\mathrm{10733}}^1$

素因数の和:13240

約数の個数: 64

約数和(自身を含む): 47877933600

約数和(自身を除く): 27672846440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2477, 4954, 9908, 10733, 12385, 19816, 21466, 24770, 42932, 47063, 49540, 53665, 85864, 94126, 99080, 107330, 188252, 203927, 214660, 235315, 376504, 407854, 429320, 470630, 815708, 941260, 1019635, 1631416, 1882520, 2039270, 4078540, 8157080, 26585641, 53171282, 106342564, 132928205, 212685128, 265856410, 505127179, 531712820, 1010254358, 1063425640, 2020508716, 2525635895, 4041017432, 5051271790, 10102543580, 20205087160]

約数ペア:

[(1, 20205087160), (2, 10102543580), (4, 5051271790), (5, 4041017432), (8, 2525635895), (10, 2020508716), (19, 1063425640), (20, 1010254358), (38, 531712820), (40, 505127179), (76, 265856410), (95, 212685128), (152, 132928205), (190, 106342564), (380, 53171282), (760, 26585641), (2477, 8157080), (4954, 4078540), (9908, 2039270), (10733, 1882520), (12385, 1631416), (19816, 1019635), (21466, 941260), (24770, 815708), (42932, 470630), (47063, 429320), (49540, 407854), (53665, 376504), (85864, 235315), (94126, 214660), (99080, 203927), (107330, 188252)]