20724858

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{787}}^1$

素因数の和:832

約数の個数: 96

約数和(自身を含む): 59005440

約数和(自身を除く): 38280582

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 19, 21, 22, 33, 38, 42, 57, 63, 66, 77, 99, 114, 126, 133, 154, 171, 198, 209, 231, 266, 342, 399, 418, 462, 627, 693, 787, 798, 1197, 1254, 1386, 1463, 1574, 1881, 2361, 2394, 2926, 3762, 4389, 4722, 5509, 7083, 8657, 8778, 11018, 13167, 14166, 14953, 16527, 17314, 25971, 26334, 29906, 33054, 44859, 49581, 51942, 60599, 77913, 89718, 99162, 104671, 121198, 134577, 155826, 164483, 181797, 209342, 269154, 314013, 328966, 363594, 493449, 545391, 628026, 942039, 986898, 1090782, 1151381, 1480347, 1884078, 2302762, 2960694, 3454143, 6908286, 10362429, 20724858]

約数ペア:

[(1, 20724858), (2, 10362429), (3, 6908286), (6, 3454143), (7, 2960694), (9, 2302762), (11, 1884078), (14, 1480347), (18, 1151381), (19, 1090782), (21, 986898), (22, 942039), (33, 628026), (38, 545391), (42, 493449), (57, 363594), (63, 328966), (66, 314013), (77, 269154), (99, 209342), (114, 181797), (126, 164483), (133, 155826), (154, 134577), (171, 121198), (198, 104671), (209, 99162), (231, 89718), (266, 77913), (342, 60599), (399, 51942), (418, 49581), (462, 44859), (627, 33054), (693, 29906), (787, 26334), (798, 25971), (1197, 17314), (1254, 16527), (1386, 14953), (1463, 14166), (1574, 13167), (1881, 11018), (2361, 8778), (2394, 8657), (2926, 7083), (3762, 5509), (4389, 4722)]