20147647785

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1\times {\mathrm{2357}}^1$

素因数の和:2810

約数の個数: 64

約数和(自身を含む): 34430572800

約数和(自身を除く): 14282925015

約数列:

[1, 3, 5, 15, 19, 57, 89, 95, 267, 285, 337, 445, 1011, 1335, 1685, 1691, 2357, 5055, 5073, 6403, 7071, 8455, 11785, 19209, 25365, 29993, 32015, 35355, 44783, 89979, 96045, 134349, 149965, 209773, 223915, 449895, 569867, 629319, 671745, 794309, 1048865, 1709601, 2382927, 2849335, 3146595, 3971545, 3985687, 8548005, 11914635, 11957061, 15091871, 19928435, 45275613, 59785305, 70693501, 75459355, 212080503, 226378065, 353467505, 1060402515, 1343176519, 4029529557, 6715882595, 20147647785]

約数ペア:

[(1, 20147647785), (3, 6715882595), (5, 4029529557), (15, 1343176519), (19, 1060402515), (57, 353467505), (89, 226378065), (95, 212080503), (267, 75459355), (285, 70693501), (337, 59785305), (445, 45275613), (1011, 19928435), (1335, 15091871), (1685, 11957061), (1691, 11914635), (2357, 8548005), (5055, 3985687), (5073, 3971545), (6403, 3146595), (7071, 2849335), (8455, 2382927), (11785, 1709601), (19209, 1048865), (25365, 794309), (29993, 671745), (32015, 629319), (35355, 569867), (44783, 449895), (89979, 223915), (96045, 209773), (134349, 149965)]