20199808312

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{241}}^1\times {\mathrm{1459}}^1$

素因数の和:1916

約数の個数: 64

約数和(自身を含む): 39176121600

約数和(自身を除く): 18976313288

約数列:

[1, 2, 4, 8, 43, 86, 167, 172, 241, 334, 344, 482, 668, 964, 1336, 1459, 1928, 2918, 5836, 7181, 10363, 11672, 14362, 20726, 28724, 40247, 41452, 57448, 62737, 80494, 82904, 125474, 160988, 243653, 250948, 321976, 351619, 487306, 501896, 703238, 974612, 1406476, 1730621, 1949224, 2812952, 3461242, 6922484, 10477079, 13844968, 15119617, 20954158, 30239234, 41908316, 58720373, 60478468, 83816632, 117440746, 120956936, 234881492, 469762984, 2524976039, 5049952078, 10099904156, 20199808312]

約数ペア:

[(1, 20199808312), (2, 10099904156), (4, 5049952078), (8, 2524976039), (43, 469762984), (86, 234881492), (167, 120956936), (172, 117440746), (241, 83816632), (334, 60478468), (344, 58720373), (482, 41908316), (668, 30239234), (964, 20954158), (1336, 15119617), (1459, 13844968), (1928, 10477079), (2918, 6922484), (5836, 3461242), (7181, 2812952), (10363, 1949224), (11672, 1730621), (14362, 1406476), (20726, 974612), (28724, 703238), (40247, 501896), (41452, 487306), (57448, 351619), (62737, 321976), (80494, 250948), (82904, 243653), (125474, 160988)]