20035872

素因数分解:

$2^5\times 3^2\times {\mathrm{73}}^1\times {\mathrm{953}}^1$

素因数の和:1042

約数の個数: 72

約数和(自身を含む): 57818124

約数和(自身を除く): 37782252

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 73, 96, 144, 146, 219, 288, 292, 438, 584, 657, 876, 953, 1168, 1314, 1752, 1906, 2336, 2628, 2859, 3504, 3812, 5256, 5718, 7008, 7624, 8577, 10512, 11436, 15248, 17154, 21024, 22872, 30496, 34308, 45744, 68616, 69569, 91488, 137232, 139138, 208707, 274464, 278276, 417414, 556552, 626121, 834828, 1113104, 1252242, 1669656, 2226208, 2504484, 3339312, 5008968, 6678624, 10017936, 20035872]

約数ペア:

[(1, 20035872), (2, 10017936), (3, 6678624), (4, 5008968), (6, 3339312), (8, 2504484), (9, 2226208), (12, 1669656), (16, 1252242), (18, 1113104), (24, 834828), (32, 626121), (36, 556552), (48, 417414), (72, 278276), (73, 274464), (96, 208707), (144, 139138), (146, 137232), (219, 91488), (288, 69569), (292, 68616), (438, 45744), (584, 34308), (657, 30496), (876, 22872), (953, 21024), (1168, 17154), (1314, 15248), (1752, 11436), (1906, 10512), (2336, 8577), (2628, 7624), (2859, 7008), (3504, 5718), (3812, 5256)]