20188336

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 48211200

約数和(自身を除く): 28022864

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 53, 56, 76, 106, 112, 133, 152, 179, 212, 266, 304, 358, 371, 424, 532, 716, 742, 848, 1007, 1064, 1253, 1432, 1484, 2014, 2128, 2506, 2864, 2968, 3401, 4028, 5012, 5936, 6802, 7049, 8056, 9487, 10024, 13604, 14098, 16112, 18974, 20048, 23807, 27208, 28196, 37948, 47614, 54416, 56392, 66409, 75896, 95228, 112784, 132818, 151792, 180253, 190456, 265636, 360506, 380912, 531272, 721012, 1062544, 1261771, 1442024, 2523542, 2884048, 5047084, 10094168, 20188336]

約数ペア:

[(1, 20188336), (2, 10094168), (4, 5047084), (7, 2884048), (8, 2523542), (14, 1442024), (16, 1261771), (19, 1062544), (28, 721012), (38, 531272), (53, 380912), (56, 360506), (76, 265636), (106, 190456), (112, 180253), (133, 151792), (152, 132818), (179, 112784), (212, 95228), (266, 75896), (304, 66409), (358, 56392), (371, 54416), (424, 47614), (532, 37948), (716, 28196), (742, 27208), (848, 23807), (1007, 20048), (1064, 18974), (1253, 16112), (1432, 14098), (1484, 13604), (2014, 10024), (2128, 9487), (2506, 8056), (2864, 7049), (2968, 6802), (3401, 5936), (4028, 5012)]