20346538025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{4639}}^1$

素因数の和:5090

約数の個数: 48

約数和(自身を含む): 28273190400

約数和(自身を除く): 7926652375

約数列:

[1, 5, 11, 25, 41, 55, 205, 275, 389, 451, 1025, 1945, 2255, 4279, 4639, 9725, 11275, 15949, 21395, 23195, 51029, 79745, 106975, 115975, 175439, 190199, 255145, 398725, 877195, 950995, 1275725, 1804571, 2092189, 4385975, 4754975, 9022855, 10460945, 19850281, 45114275, 52304725, 73987411, 99251405, 369937055, 496257025, 813861521, 1849685275, 4069307605, 20346538025]

約数ペア:

[(1, 20346538025), (5, 4069307605), (11, 1849685275), (25, 813861521), (41, 496257025), (55, 369937055), (205, 99251405), (275, 73987411), (389, 52304725), (451, 45114275), (1025, 19850281), (1945, 10460945), (2255, 9022855), (4279, 4754975), (4639, 4385975), (9725, 2092189), (11275, 1804571), (15949, 1275725), (21395, 950995), (23195, 877195), (51029, 398725), (79745, 255145), (106975, 190199), (115975, 175439)]