20201984551

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{601}}^1\times {\mathrm{22129}}^1$

素因数の和:22775

約数の個数: 24

約数和(自身を含む): 24299802240

約数和(自身を除く): 4097817689

約数列:

[1, 7, 31, 49, 217, 601, 1519, 4207, 18631, 22129, 29449, 130417, 154903, 685999, 912919, 1084321, 4801993, 13299529, 33613951, 93096703, 412285399, 651676921, 2885997793, 20201984551]

約数ペア:

[(1, 20201984551), (7, 2885997793), (31, 651676921), (49, 412285399), (217, 93096703), (601, 33613951), (1519, 13299529), (4207, 4801993), (18631, 1084321), (22129, 912919), (29449, 685999), (130417, 154903)]