20347615744

素因数分解:

$2^9\times {\mathrm{89}}^1\times {\mathrm{446533}}^1$

素因数の和:446640

約数の個数: 40

約数和(自身を含む): 41112385380

約数和(自身を除く): 20764769636

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 256, 356, 512, 712, 1424, 2848, 5696, 11392, 22784, 45568, 446533, 893066, 1786132, 3572264, 7144528, 14289056, 28578112, 39741437, 57156224, 79482874, 114312448, 158965748, 228624896, 317931496, 635862992, 1271725984, 2543451968, 5086903936, 10173807872, 20347615744]

約数ペア:

[(1, 20347615744), (2, 10173807872), (4, 5086903936), (8, 2543451968), (16, 1271725984), (32, 635862992), (64, 317931496), (89, 228624896), (128, 158965748), (178, 114312448), (256, 79482874), (356, 57156224), (512, 39741437), (712, 28578112), (1424, 14289056), (2848, 7144528), (5696, 3572264), (11392, 1786132), (22784, 893066), (45568, 446533)]