2020027456

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{8017}}^1$

素因数の和:8187

約数の個数: 56

約数和(自身を含む): 4170899456

約数和(自身を除く): 2150872000

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 248, 254, 496, 508, 992, 1016, 1984, 2032, 3937, 4064, 7874, 8017, 8128, 15748, 16034, 31496, 32068, 62992, 64136, 125984, 128272, 248527, 251968, 256544, 497054, 513088, 994108, 1018159, 1988216, 2036318, 3976432, 4072636, 7952864, 8145272, 15905728, 16290544, 31562929, 32581088, 63125858, 65162176, 126251716, 252503432, 505006864, 1010013728, 2020027456]

約数ペア:

[(1, 2020027456), (2, 1010013728), (4, 505006864), (8, 252503432), (16, 126251716), (31, 65162176), (32, 63125858), (62, 32581088), (64, 31562929), (124, 16290544), (127, 15905728), (248, 8145272), (254, 7952864), (496, 4072636), (508, 3976432), (992, 2036318), (1016, 1988216), (1984, 1018159), (2032, 994108), (3937, 513088), (4064, 497054), (7874, 256544), (8017, 251968), (8128, 248527), (15748, 128272), (16034, 125984), (31496, 64136), (32068, 62992)]