20348021888

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9351113}}^1$

素因数の和:9351144

約数の個数: 32

約数和(自身を含む): 42921613260

約数和(自身を除く): 22573591372

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9351113, 18702226, 37404452, 74808904, 149617808, 158968921, 299235616, 317937842, 598471232, 635875684, 1196942464, 1271751368, 2543502736, 5087005472, 10174010944, 20348021888]

約数ペア:

[(1, 20348021888), (2, 10174010944), (4, 5087005472), (8, 2543502736), (16, 1271751368), (17, 1196942464), (32, 635875684), (34, 598471232), (64, 317937842), (68, 299235616), (128, 158968921), (136, 149617808), (272, 74808904), (544, 37404452), (1088, 18702226), (2176, 9351113)]