20092955900

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{21701}}^1$

素因数の和:21959

約数の個数: 72

約数和(自身を含む): 44757510336

約数和(自身を除く): 24664554436

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 197, 235, 394, 470, 788, 940, 985, 1175, 1970, 2350, 3940, 4700, 4925, 9259, 9850, 18518, 19700, 21701, 37036, 43402, 46295, 86804, 92590, 108505, 185180, 217010, 231475, 434020, 462950, 542525, 925900, 1019947, 1085050, 2039894, 2170100, 4079788, 4275097, 5099735, 8550194, 10199470, 17100388, 20398940, 21375485, 25498675, 42750970, 50997350, 85501940, 101994700, 106877425, 200929559, 213754850, 401859118, 427509700, 803718236, 1004647795, 2009295590, 4018591180, 5023238975, 10046477950, 20092955900]

約数ペア:

[(1, 20092955900), (2, 10046477950), (4, 5023238975), (5, 4018591180), (10, 2009295590), (20, 1004647795), (25, 803718236), (47, 427509700), (50, 401859118), (94, 213754850), (100, 200929559), (188, 106877425), (197, 101994700), (235, 85501940), (394, 50997350), (470, 42750970), (788, 25498675), (940, 21375485), (985, 20398940), (1175, 17100388), (1970, 10199470), (2350, 8550194), (3940, 5099735), (4700, 4275097), (4925, 4079788), (9259, 2170100), (9850, 2039894), (18518, 1085050), (19700, 1019947), (21701, 925900), (37036, 542525), (43402, 462950), (46295, 434020), (86804, 231475), (92590, 217010), (108505, 185180)]