20770904

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4817}}^1$

素因数の和:4848

約数の個数: 48

約数和(自身を含む): 49432680

約数和(自身を除く): 28661776

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 4817, 9634, 19268, 33719, 38536, 52987, 67438, 105974, 134876, 211948, 236033, 269752, 370909, 423896, 472066, 741818, 944132, 1483636, 1888264, 2596363, 2967272, 5192726, 10385452, 20770904]

約数ペア:

[(1, 20770904), (2, 10385452), (4, 5192726), (7, 2967272), (8, 2596363), (11, 1888264), (14, 1483636), (22, 944132), (28, 741818), (44, 472066), (49, 423896), (56, 370909), (77, 269752), (88, 236033), (98, 211948), (154, 134876), (196, 105974), (308, 67438), (392, 52987), (539, 38536), (616, 33719), (1078, 19268), (2156, 9634), (4312, 4817)]