20618024

素因数分解:

$2^3\times 7^2\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 45400500

約数和(自身を除く): 24782476

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 149, 196, 298, 353, 392, 596, 706, 1043, 1192, 1412, 2086, 2471, 2824, 4172, 4942, 7301, 8344, 9884, 14602, 17297, 19768, 29204, 34594, 52597, 58408, 69188, 105194, 138376, 210388, 368179, 420776, 736358, 1472716, 2577253, 2945432, 5154506, 10309012, 20618024]

約数ペア:

[(1, 20618024), (2, 10309012), (4, 5154506), (7, 2945432), (8, 2577253), (14, 1472716), (28, 736358), (49, 420776), (56, 368179), (98, 210388), (149, 138376), (196, 105194), (298, 69188), (353, 58408), (392, 52597), (596, 34594), (706, 29204), (1043, 19768), (1192, 17297), (1412, 14602), (2086, 9884), (2471, 8344), (2824, 7301), (4172, 4942)]