20804501248

素因数分解:

$2^8\times {\mathrm{67}}^1\times {\mathrm{941}}^1\times {\mathrm{1289}}^1$

素因数の和:2313

約数の個数: 72

約数和(自身を含む): 42225074640

約数和(自身を除く): 21420573392

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 128, 134, 256, 268, 536, 941, 1072, 1289, 1882, 2144, 2578, 3764, 4288, 5156, 7528, 8576, 10312, 15056, 17152, 20624, 30112, 41248, 60224, 63047, 82496, 86363, 120448, 126094, 164992, 172726, 240896, 252188, 329984, 345452, 504376, 690904, 1008752, 1212949, 1381808, 2017504, 2425898, 2763616, 4035008, 4851796, 5527232, 8070016, 9703592, 11054464, 16140032, 19407184, 22108928, 38814368, 77628736, 81267583, 155257472, 162535166, 310514944, 325070332, 650140664, 1300281328, 2600562656, 5201125312, 10402250624, 20804501248]

約数ペア:

[(1, 20804501248), (2, 10402250624), (4, 5201125312), (8, 2600562656), (16, 1300281328), (32, 650140664), (64, 325070332), (67, 310514944), (128, 162535166), (134, 155257472), (256, 81267583), (268, 77628736), (536, 38814368), (941, 22108928), (1072, 19407184), (1289, 16140032), (1882, 11054464), (2144, 9703592), (2578, 8070016), (3764, 5527232), (4288, 4851796), (5156, 4035008), (7528, 2763616), (8576, 2425898), (10312, 2017504), (15056, 1381808), (17152, 1212949), (20624, 1008752), (30112, 690904), (41248, 504376), (60224, 345452), (63047, 329984), (82496, 252188), (86363, 240896), (120448, 172726), (126094, 164992)]