20267687584

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{61331}}^1$

素因数の和:61813

約数の個数: 48

約数和(自身を含む): 41730292800

約数和(自身を除く): 21462605216

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 184, 368, 449, 736, 898, 1796, 3592, 7184, 10327, 14368, 20654, 41308, 61331, 82616, 122662, 165232, 245324, 330464, 490648, 981296, 1410613, 1962592, 2821226, 5642452, 11284904, 22569808, 27537619, 45139616, 55075238, 110150476, 220300952, 440601904, 633365237, 881203808, 1266730474, 2533460948, 5066921896, 10133843792, 20267687584]

約数ペア:

[(1, 20267687584), (2, 10133843792), (4, 5066921896), (8, 2533460948), (16, 1266730474), (23, 881203808), (32, 633365237), (46, 440601904), (92, 220300952), (184, 110150476), (368, 55075238), (449, 45139616), (736, 27537619), (898, 22569808), (1796, 11284904), (3592, 5642452), (7184, 2821226), (10327, 1962592), (14368, 1410613), (20654, 981296), (41308, 490648), (61331, 330464), (82616, 245324), (122662, 165232)]