20949824

素因数分解:

$2^6\times 7^1\times {\mathrm{101}}^1\times {\mathrm{463}}^1$

素因数の和:583

約数の個数: 56

約数和(自身を含む): 48085248

約数和(自身を除く): 27135424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 101, 112, 202, 224, 404, 448, 463, 707, 808, 926, 1414, 1616, 1852, 2828, 3232, 3241, 3704, 5656, 6464, 6482, 7408, 11312, 12964, 14816, 22624, 25928, 29632, 45248, 46763, 51856, 93526, 103712, 187052, 207424, 327341, 374104, 654682, 748208, 1309364, 1496416, 2618728, 2992832, 5237456, 10474912, 20949824]

約数ペア:

[(1, 20949824), (2, 10474912), (4, 5237456), (7, 2992832), (8, 2618728), (14, 1496416), (16, 1309364), (28, 748208), (32, 654682), (56, 374104), (64, 327341), (101, 207424), (112, 187052), (202, 103712), (224, 93526), (404, 51856), (448, 46763), (463, 45248), (707, 29632), (808, 25928), (926, 22624), (1414, 14816), (1616, 12964), (1852, 11312), (2828, 7408), (3232, 6482), (3241, 6464), (3704, 5656)]