20878255552

素因数分解:

$2^6\times 7^2\times {\mathrm{11}}^1\times {\mathrm{605237}}^1$

素因数の和:605274

約数の個数: 84

約数和(自身を含む): 52575814584

約数和(自身を除く): 31697559032

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 77, 88, 98, 112, 154, 176, 196, 224, 308, 352, 392, 448, 539, 616, 704, 784, 1078, 1232, 1568, 2156, 2464, 3136, 4312, 4928, 8624, 17248, 34496, 605237, 1210474, 2420948, 4236659, 4841896, 6657607, 8473318, 9683792, 13315214, 16946636, 19367584, 26630428, 29656613, 33893272, 38735168, 46603249, 53260856, 59313226, 67786544, 93206498, 106521712, 118626452, 135573088, 186412996, 213043424, 237252904, 271146176, 326222743, 372825992, 426086848, 474505808, 652445486, 745651984, 949011616, 1304890972, 1491303968, 1898023232, 2609781944, 2982607936, 5219563888, 10439127776, 20878255552]

約数ペア:

[(1, 20878255552), (2, 10439127776), (4, 5219563888), (7, 2982607936), (8, 2609781944), (11, 1898023232), (14, 1491303968), (16, 1304890972), (22, 949011616), (28, 745651984), (32, 652445486), (44, 474505808), (49, 426086848), (56, 372825992), (64, 326222743), (77, 271146176), (88, 237252904), (98, 213043424), (112, 186412996), (154, 135573088), (176, 118626452), (196, 106521712), (224, 93206498), (308, 67786544), (352, 59313226), (392, 53260856), (448, 46603249), (539, 38735168), (616, 33893272), (704, 29656613), (784, 26630428), (1078, 19367584), (1232, 16946636), (1568, 13315214), (2156, 9683792), (2464, 8473318), (3136, 6657607), (4312, 4841896), (4928, 4236659), (8624, 2420948), (17248, 1210474), (34496, 605237)]