20160786848

素因数分解:

$2^5\times {\mathrm{139}}^1\times {\mathrm{277}}^1\times {\mathrm{16363}}^1$

素因数の和:16789

約数の個数: 48

約数和(自身を含む): 40123873440

約数和(自身を除く): 19963086592

約数列:

[1, 2, 4, 8, 16, 32, 139, 277, 278, 554, 556, 1108, 1112, 2216, 2224, 4432, 4448, 8864, 16363, 32726, 38503, 65452, 77006, 130904, 154012, 261808, 308024, 523616, 616048, 1232096, 2274457, 4532551, 4548914, 9065102, 9097828, 18130204, 18195656, 36260408, 36391312, 72520816, 72782624, 145041632, 630024589, 1260049178, 2520098356, 5040196712, 10080393424, 20160786848]

約数ペア:

[(1, 20160786848), (2, 10080393424), (4, 5040196712), (8, 2520098356), (16, 1260049178), (32, 630024589), (139, 145041632), (277, 72782624), (278, 72520816), (554, 36391312), (556, 36260408), (1108, 18195656), (1112, 18130204), (2216, 9097828), (2224, 9065102), (4432, 4548914), (4448, 4532551), (8864, 2274457), (16363, 1232096), (32726, 616048), (38503, 523616), (65452, 308024), (77006, 261808), (130904, 154012)]