20817244

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 44513280

約数和(自身を除く): 23696036

約数列:

[1, 2, 4, 7, 14, 28, 29, 31, 58, 62, 116, 124, 203, 217, 406, 434, 812, 827, 868, 899, 1654, 1798, 3308, 3596, 5789, 6293, 11578, 12586, 23156, 23983, 25172, 25637, 47966, 51274, 95932, 102548, 167881, 179459, 335762, 358918, 671524, 717836, 743473, 1486946, 2973892, 5204311, 10408622, 20817244]

約数ペア:

[(1, 20817244), (2, 10408622), (4, 5204311), (7, 2973892), (14, 1486946), (28, 743473), (29, 717836), (31, 671524), (58, 358918), (62, 335762), (116, 179459), (124, 167881), (203, 102548), (217, 95932), (406, 51274), (434, 47966), (812, 25637), (827, 25172), (868, 23983), (899, 23156), (1654, 12586), (1798, 11578), (3308, 6293), (3596, 5789)]