20319453

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 37065600

約数和(自身を除く): 16746147

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 109, 231, 269, 327, 693, 763, 807, 981, 1199, 1883, 2289, 2421, 2959, 3597, 5649, 6867, 8393, 8877, 10791, 16947, 20713, 25179, 26631, 29321, 62139, 75537, 87963, 186417, 205247, 263889, 322531, 615741, 967593, 1847223, 2257717, 2902779, 6773151, 20319453]

約数ペア:

[(1, 20319453), (3, 6773151), (7, 2902779), (9, 2257717), (11, 1847223), (21, 967593), (33, 615741), (63, 322531), (77, 263889), (99, 205247), (109, 186417), (231, 87963), (269, 75537), (327, 62139), (693, 29321), (763, 26631), (807, 25179), (981, 20713), (1199, 16947), (1883, 10791), (2289, 8877), (2421, 8393), (2959, 6867), (3597, 5649)]