20848960

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5923}}^1$

素因数の和:5951

約数の個数: 56

約数和(自身を含む): 54169056

約数和(自身を除く): 33320096

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 5923, 11846, 23692, 29615, 47384, 59230, 65153, 94768, 118460, 130306, 189536, 236920, 260612, 325765, 379072, 473840, 521224, 651530, 947680, 1042448, 1303060, 1895360, 2084896, 2606120, 4169792, 5212240, 10424480, 20848960]

約数ペア:

[(1, 20848960), (2, 10424480), (4, 5212240), (5, 4169792), (8, 2606120), (10, 2084896), (11, 1895360), (16, 1303060), (20, 1042448), (22, 947680), (32, 651530), (40, 521224), (44, 473840), (55, 379072), (64, 325765), (80, 260612), (88, 236920), (110, 189536), (160, 130306), (176, 118460), (220, 94768), (320, 65153), (352, 59230), (440, 47384), (704, 29615), (880, 23692), (1760, 11846), (3520, 5923)]