20189169

素因数分解:

$3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 41094144

約数和(自身を除く): 20904975

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 63, 77, 81, 83, 91, 99, 117, 143, 189, 231, 243, 249, 273, 297, 351, 429, 567, 581, 693, 747, 819, 891, 913, 1001, 1053, 1079, 1287, 1701, 1743, 2079, 2241, 2457, 2673, 2739, 3003, 3159, 3237, 3861, 5229, 6237, 6391, 6723, 7371, 7553, 8217, 9009, 9711, 11583, 11869, 15687, 18711, 19173, 20169, 22113, 22659, 24651, 27027, 29133, 34749, 35607, 47061, 57519, 67977, 73953, 81081, 83083, 87399, 106821, 141183, 172557, 203931, 221859, 243243, 249249, 262197, 320463, 517671, 611793, 747747, 961389, 1553013, 1835379, 2243241, 2884167, 6729723, 20189169]

約数ペア:

[(1, 20189169), (3, 6729723), (7, 2884167), (9, 2243241), (11, 1835379), (13, 1553013), (21, 961389), (27, 747747), (33, 611793), (39, 517671), (63, 320463), (77, 262197), (81, 249249), (83, 243243), (91, 221859), (99, 203931), (117, 172557), (143, 141183), (189, 106821), (231, 87399), (243, 83083), (249, 81081), (273, 73953), (297, 67977), (351, 57519), (429, 47061), (567, 35607), (581, 34749), (693, 29133), (747, 27027), (819, 24651), (891, 22659), (913, 22113), (1001, 20169), (1053, 19173), (1079, 18711), (1287, 15687), (1701, 11869), (1743, 11583), (2079, 9711), (2241, 9009), (2457, 8217), (2673, 7553), (2739, 7371), (3003, 6723), (3159, 6391), (3237, 6237), (3861, 5229)]