20161788840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{18668323}}^1$

素因数の和:18668343

約数の個数: 64

約数和(自身を含む): 67205966400

約数和(自身を除く): 47044177560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 18668323, 37336646, 56004969, 74673292, 93341615, 112009938, 149346584, 168014907, 186683230, 224019876, 280024845, 336029814, 373366460, 448039752, 504044721, 560049690, 672059628, 746732920, 840074535, 1008089442, 1120099380, 1344119256, 1680149070, 2016178884, 2240198760, 2520223605, 3360298140, 4032357768, 5040447210, 6720596280, 10080894420, 20161788840]

約数ペア:

[(1, 20161788840), (2, 10080894420), (3, 6720596280), (4, 5040447210), (5, 4032357768), (6, 3360298140), (8, 2520223605), (9, 2240198760), (10, 2016178884), (12, 1680149070), (15, 1344119256), (18, 1120099380), (20, 1008089442), (24, 840074535), (27, 746732920), (30, 672059628), (36, 560049690), (40, 504044721), (45, 448039752), (54, 373366460), (60, 336029814), (72, 280024845), (90, 224019876), (108, 186683230), (120, 168014907), (135, 149346584), (180, 112009938), (216, 93341615), (270, 74673292), (360, 56004969), (540, 37336646), (1080, 18668323)]