20303248

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:117

約数の個数: 120

約数和(自身を含む): 50889600

約数和(自身を除く): 30586352

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 29, 38, 47, 49, 56, 58, 76, 94, 98, 112, 116, 133, 152, 188, 196, 203, 232, 266, 304, 329, 376, 392, 406, 464, 532, 551, 658, 752, 784, 812, 893, 931, 1064, 1102, 1316, 1363, 1421, 1624, 1786, 1862, 2128, 2204, 2303, 2632, 2726, 2842, 3248, 3572, 3724, 3857, 4408, 4606, 5264, 5452, 5684, 6251, 7144, 7448, 7714, 8816, 9212, 9541, 10904, 11368, 12502, 14288, 14896, 15428, 18424, 19082, 21808, 22736, 25004, 25897, 26999, 30856, 36848, 38164, 43757, 50008, 51794, 53998, 61712, 66787, 76328, 87514, 100016, 103588, 107996, 133574, 152656, 175028, 181279, 207176, 215992, 267148, 350056, 362558, 414352, 431984, 534296, 700112, 725116, 1068592, 1268953, 1450232, 2537906, 2900464, 5075812, 10151624, 20303248]

約数ペア:

[(1, 20303248), (2, 10151624), (4, 5075812), (7, 2900464), (8, 2537906), (14, 1450232), (16, 1268953), (19, 1068592), (28, 725116), (29, 700112), (38, 534296), (47, 431984), (49, 414352), (56, 362558), (58, 350056), (76, 267148), (94, 215992), (98, 207176), (112, 181279), (116, 175028), (133, 152656), (152, 133574), (188, 107996), (196, 103588), (203, 100016), (232, 87514), (266, 76328), (304, 66787), (329, 61712), (376, 53998), (392, 51794), (406, 50008), (464, 43757), (532, 38164), (551, 36848), (658, 30856), (752, 26999), (784, 25897), (812, 25004), (893, 22736), (931, 21808), (1064, 19082), (1102, 18424), (1316, 15428), (1363, 14896), (1421, 14288), (1624, 12502), (1786, 11368), (1862, 10904), (2128, 9541), (2204, 9212), (2303, 8816), (2632, 7714), (2726, 7448), (2842, 7144), (3248, 6251), (3572, 5684), (3724, 5452), (3857, 5264), (4408, 4606)]