20751984

素因数分解:

$2^4\times 3^3\times {\mathrm{11}}^2\times {\mathrm{397}}^1$

素因数の和:436

約数の個数: 120

約数和(自身を含む): 65638160

約数和(自身を除く): 44886176

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 88, 99, 108, 121, 132, 144, 176, 198, 216, 242, 264, 297, 363, 396, 397, 432, 484, 528, 594, 726, 792, 794, 968, 1089, 1188, 1191, 1452, 1584, 1588, 1936, 2178, 2376, 2382, 2904, 3176, 3267, 3573, 4356, 4367, 4752, 4764, 5808, 6352, 6534, 7146, 8712, 8734, 9528, 10719, 13068, 13101, 14292, 17424, 17468, 19056, 21438, 26136, 26202, 28584, 34936, 39303, 42876, 48037, 52272, 52404, 57168, 69872, 78606, 85752, 96074, 104808, 117909, 144111, 157212, 171504, 192148, 209616, 235818, 288222, 314424, 384296, 432333, 471636, 576444, 628848, 768592, 864666, 943272, 1152888, 1296999, 1729332, 1886544, 2305776, 2593998, 3458664, 5187996, 6917328, 10375992, 20751984]

約数ペア:

[(1, 20751984), (2, 10375992), (3, 6917328), (4, 5187996), (6, 3458664), (8, 2593998), (9, 2305776), (11, 1886544), (12, 1729332), (16, 1296999), (18, 1152888), (22, 943272), (24, 864666), (27, 768592), (33, 628848), (36, 576444), (44, 471636), (48, 432333), (54, 384296), (66, 314424), (72, 288222), (88, 235818), (99, 209616), (108, 192148), (121, 171504), (132, 157212), (144, 144111), (176, 117909), (198, 104808), (216, 96074), (242, 85752), (264, 78606), (297, 69872), (363, 57168), (396, 52404), (397, 52272), (432, 48037), (484, 42876), (528, 39303), (594, 34936), (726, 28584), (792, 26202), (794, 26136), (968, 21438), (1089, 19056), (1188, 17468), (1191, 17424), (1452, 14292), (1584, 13101), (1588, 13068), (1936, 10719), (2178, 9528), (2376, 8734), (2382, 8712), (2904, 7146), (3176, 6534), (3267, 6352), (3573, 5808), (4356, 4764), (4367, 4752)]