20160787616

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{2939}}^1\times {\mathrm{4561}}^1$

素因数の和:7557

約数の個数: 48

約数和(自身を含む): 40558734720

約数和(自身を除く): 20397947104

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 188, 376, 752, 1504, 2939, 4561, 5878, 9122, 11756, 18244, 23512, 36488, 47024, 72976, 94048, 138133, 145952, 214367, 276266, 428734, 552532, 857468, 1105064, 1714936, 2210128, 3429872, 4420256, 6859744, 13404779, 26809558, 53619116, 107238232, 214476464, 428952928, 630024613, 1260049226, 2520098452, 5040196904, 10080393808, 20160787616]

約数ペア:

[(1, 20160787616), (2, 10080393808), (4, 5040196904), (8, 2520098452), (16, 1260049226), (32, 630024613), (47, 428952928), (94, 214476464), (188, 107238232), (376, 53619116), (752, 26809558), (1504, 13404779), (2939, 6859744), (4561, 4420256), (5878, 3429872), (9122, 2210128), (11756, 1714936), (18244, 1105064), (23512, 857468), (36488, 552532), (47024, 428734), (72976, 276266), (94048, 214367), (138133, 145952)]