20219595

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:176

約数の個数: 64

約数和(自身を含む): 37601280

約数和(自身を除く): 17381685

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 59, 67, 93, 155, 165, 177, 201, 295, 335, 341, 465, 649, 737, 885, 1005, 1023, 1705, 1829, 1947, 2077, 2211, 3245, 3685, 3953, 5115, 5487, 6231, 9145, 9735, 10385, 11055, 11859, 19765, 20119, 22847, 27435, 31155, 43483, 59295, 60357, 68541, 100595, 114235, 122543, 130449, 217415, 301785, 342705, 367629, 612715, 652245, 1347973, 1838145, 4043919, 6739865, 20219595]

約数ペア:

[(1, 20219595), (3, 6739865), (5, 4043919), (11, 1838145), (15, 1347973), (31, 652245), (33, 612715), (55, 367629), (59, 342705), (67, 301785), (93, 217415), (155, 130449), (165, 122543), (177, 114235), (201, 100595), (295, 68541), (335, 60357), (341, 59295), (465, 43483), (649, 31155), (737, 27435), (885, 22847), (1005, 20119), (1023, 19765), (1705, 11859), (1829, 11055), (1947, 10385), (2077, 9735), (2211, 9145), (3245, 6231), (3685, 5487), (3953, 5115)]