20173312

素因数分解:

$2^9\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:121

約数の個数: 60

約数和(自身を含む): 42665238

約数和(自身を除く): 22491926

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 64, 82, 124, 128, 164, 248, 256, 328, 496, 512, 656, 961, 992, 1271, 1312, 1922, 1984, 2542, 2624, 3844, 3968, 5084, 5248, 7688, 7936, 10168, 10496, 15376, 15872, 20336, 20992, 30752, 39401, 40672, 61504, 78802, 81344, 123008, 157604, 162688, 246016, 315208, 325376, 492032, 630416, 650752, 1260832, 2521664, 5043328, 10086656, 20173312]

約数ペア:

[(1, 20173312), (2, 10086656), (4, 5043328), (8, 2521664), (16, 1260832), (31, 650752), (32, 630416), (41, 492032), (62, 325376), (64, 315208), (82, 246016), (124, 162688), (128, 157604), (164, 123008), (248, 81344), (256, 78802), (328, 61504), (496, 40672), (512, 39401), (656, 30752), (961, 20992), (992, 20336), (1271, 15872), (1312, 15376), (1922, 10496), (1984, 10168), (2542, 7936), (2624, 7688), (3844, 5248), (3968, 5084)]