20669418

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1657}}^1$

素因数の和:1689

約数の個数: 80

約数和(自身を含む): 57777984

約数和(自身を除く): 37108566

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 81, 99, 126, 154, 162, 189, 198, 231, 297, 378, 462, 567, 594, 693, 891, 1134, 1386, 1657, 1782, 2079, 3314, 4158, 4971, 6237, 9942, 11599, 12474, 14913, 18227, 23198, 29826, 34797, 36454, 44739, 54681, 69594, 89478, 104391, 109362, 127589, 134217, 164043, 208782, 255178, 268434, 313173, 328086, 382767, 492129, 626346, 765534, 939519, 984258, 1148301, 1476387, 1879038, 2296602, 2952774, 3444903, 6889806, 10334709, 20669418]

約数ペア:

[(1, 20669418), (2, 10334709), (3, 6889806), (6, 3444903), (7, 2952774), (9, 2296602), (11, 1879038), (14, 1476387), (18, 1148301), (21, 984258), (22, 939519), (27, 765534), (33, 626346), (42, 492129), (54, 382767), (63, 328086), (66, 313173), (77, 268434), (81, 255178), (99, 208782), (126, 164043), (154, 134217), (162, 127589), (189, 109362), (198, 104391), (231, 89478), (297, 69594), (378, 54681), (462, 44739), (567, 36454), (594, 34797), (693, 29826), (891, 23198), (1134, 18227), (1386, 14913), (1657, 12474), (1782, 11599), (2079, 9942), (3314, 6237), (4158, 4971)]