20121896418

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1\times {\mathrm{4871}}^1$

素因数の和:5351

約数の個数: 64

約数和(自身を含む): 43727330304

約数和(自身を除く): 23605433886

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 211, 251, 422, 502, 633, 753, 1266, 1506, 2743, 3263, 4871, 5486, 6526, 8229, 9742, 9789, 14613, 16458, 19578, 29226, 52961, 63323, 105922, 126646, 158883, 189969, 317766, 379938, 688493, 1027781, 1222621, 1376986, 2055562, 2065479, 2445242, 3083343, 3667863, 4130958, 6166686, 7335726, 13361153, 15894073, 26722306, 31788146, 40083459, 47682219, 80166918, 95364438, 257973031, 515946062, 773919093, 1547838186, 3353649403, 6707298806, 10060948209, 20121896418]

約数ペア:

[(1, 20121896418), (2, 10060948209), (3, 6707298806), (6, 3353649403), (13, 1547838186), (26, 773919093), (39, 515946062), (78, 257973031), (211, 95364438), (251, 80166918), (422, 47682219), (502, 40083459), (633, 31788146), (753, 26722306), (1266, 15894073), (1506, 13361153), (2743, 7335726), (3263, 6166686), (4871, 4130958), (5486, 3667863), (6526, 3083343), (8229, 2445242), (9742, 2065479), (9789, 2055562), (14613, 1376986), (16458, 1222621), (19578, 1027781), (29226, 688493), (52961, 379938), (63323, 317766), (105922, 189969), (126646, 158883)]