20510844

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 49260288

約数和(自身を除く): 28749444

約数列:

[1, 2, 3, 4, 6, 12, 67, 97, 134, 194, 201, 263, 268, 291, 388, 402, 526, 582, 789, 804, 1052, 1164, 1578, 3156, 6499, 12998, 17621, 19497, 25511, 25996, 35242, 38994, 51022, 52863, 70484, 76533, 77988, 102044, 105726, 153066, 211452, 306132, 1709237, 3418474, 5127711, 6836948, 10255422, 20510844]

約数ペア:

[(1, 20510844), (2, 10255422), (3, 6836948), (4, 5127711), (6, 3418474), (12, 1709237), (67, 306132), (97, 211452), (134, 153066), (194, 105726), (201, 102044), (263, 77988), (268, 76533), (291, 70484), (388, 52863), (402, 51022), (526, 38994), (582, 35242), (789, 25996), (804, 25511), (1052, 19497), (1164, 17621), (1578, 12998), (3156, 6499)]