20821644

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:244

約数の個数: 96

約数和(自身を含む): 58016000

約数和(自身を除く): 37194356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 73, 76, 108, 114, 139, 146, 171, 219, 228, 278, 292, 342, 417, 438, 513, 556, 657, 684, 834, 876, 1026, 1251, 1314, 1387, 1668, 1971, 2052, 2502, 2628, 2641, 2774, 3753, 3942, 4161, 5004, 5282, 5548, 7506, 7884, 7923, 8322, 10147, 10564, 12483, 15012, 15846, 16644, 20294, 23769, 24966, 30441, 31692, 37449, 40588, 47538, 49932, 60882, 71307, 74898, 91323, 95076, 121764, 142614, 149796, 182646, 192793, 273969, 285228, 365292, 385586, 547938, 578379, 771172, 1095876, 1156758, 1735137, 2313516, 3470274, 5205411, 6940548, 10410822, 20821644]

約数ペア:

[(1, 20821644), (2, 10410822), (3, 6940548), (4, 5205411), (6, 3470274), (9, 2313516), (12, 1735137), (18, 1156758), (19, 1095876), (27, 771172), (36, 578379), (38, 547938), (54, 385586), (57, 365292), (73, 285228), (76, 273969), (108, 192793), (114, 182646), (139, 149796), (146, 142614), (171, 121764), (219, 95076), (228, 91323), (278, 74898), (292, 71307), (342, 60882), (417, 49932), (438, 47538), (513, 40588), (556, 37449), (657, 31692), (684, 30441), (834, 24966), (876, 23769), (1026, 20294), (1251, 16644), (1314, 15846), (1387, 15012), (1668, 12483), (1971, 10564), (2052, 10147), (2502, 8322), (2628, 7923), (2641, 7884), (2774, 7506), (3753, 5548), (3942, 5282), (4161, 5004)]