20694420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2017}}^1$

素因数の和:2054

約数の個数: 96

約数和(自身を含む): 67804800

約数和(自身を除く): 47110380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2017, 2052, 2565, 3420, 4034, 5130, 6051, 8068, 10085, 10260, 12102, 18153, 20170, 24204, 30255, 36306, 38323, 40340, 54459, 60510, 72612, 76646, 90765, 108918, 114969, 121020, 153292, 181530, 191615, 217836, 229938, 272295, 344907, 363060, 383230, 459876, 544590, 574845, 689814, 766460, 1034721, 1089180, 1149690, 1379628, 1724535, 2069442, 2299380, 3449070, 4138884, 5173605, 6898140, 10347210, 20694420]

約数ペア:

[(1, 20694420), (2, 10347210), (3, 6898140), (4, 5173605), (5, 4138884), (6, 3449070), (9, 2299380), (10, 2069442), (12, 1724535), (15, 1379628), (18, 1149690), (19, 1089180), (20, 1034721), (27, 766460), (30, 689814), (36, 574845), (38, 544590), (45, 459876), (54, 383230), (57, 363060), (60, 344907), (76, 272295), (90, 229938), (95, 217836), (108, 191615), (114, 181530), (135, 153292), (171, 121020), (180, 114969), (190, 108918), (228, 90765), (270, 76646), (285, 72612), (342, 60510), (380, 54459), (513, 40340), (540, 38323), (570, 36306), (684, 30255), (855, 24204), (1026, 20170), (1140, 18153), (1710, 12102), (2017, 10260), (2052, 10085), (2565, 8068), (3420, 6051), (4034, 5130)]