20900256

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{16747}}^1$

素因数の和:16773

約数の個数: 48

約数和(自身を含む): 59086944

約数和(自身を除く): 38186688

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 16747, 33494, 50241, 66988, 100482, 133976, 200964, 217711, 267952, 401928, 435422, 535904, 653133, 803856, 870844, 1306266, 1607712, 1741688, 2612532, 3483376, 5225064, 6966752, 10450128, 20900256]

約数ペア:

[(1, 20900256), (2, 10450128), (3, 6966752), (4, 5225064), (6, 3483376), (8, 2612532), (12, 1741688), (13, 1607712), (16, 1306266), (24, 870844), (26, 803856), (32, 653133), (39, 535904), (48, 435422), (52, 401928), (78, 267952), (96, 217711), (104, 200964), (156, 133976), (208, 100482), (312, 66988), (416, 50241), (624, 33494), (1248, 16747)]