20167785

素因数分解:

$3^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1$

素因数の和:537

約数の個数: 56

約数和(自身を含む): 39662784

約数和(自身を除く): 19494999

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 243, 297, 405, 495, 503, 729, 891, 1215, 1485, 1509, 2515, 2673, 3645, 4455, 4527, 5533, 7545, 8019, 13365, 13581, 16599, 22635, 27665, 40095, 40743, 49797, 67905, 82995, 122229, 149391, 203715, 248985, 366687, 448173, 611145, 746955, 1344519, 1833435, 2240865, 4033557, 6722595, 20167785]

約数ペア:

[(1, 20167785), (3, 6722595), (5, 4033557), (9, 2240865), (11, 1833435), (15, 1344519), (27, 746955), (33, 611145), (45, 448173), (55, 366687), (81, 248985), (99, 203715), (135, 149391), (165, 122229), (243, 82995), (297, 67905), (405, 49797), (495, 40743), (503, 40095), (729, 27665), (891, 22635), (1215, 16599), (1485, 13581), (1509, 13365), (2515, 8019), (2673, 7545), (3645, 5533), (4455, 4527)]