20648133045

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{57163}}^1$

素因数の和:57546

約数の個数: 48

約数和(自身を含む): 37453852800

約数和(自身を除く): 16805719755

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 349, 1035, 1047, 1745, 3141, 5235, 8027, 15705, 24081, 40135, 57163, 72243, 120405, 171489, 285815, 361215, 514467, 857445, 1314749, 2572335, 3944247, 6573745, 11832741, 19721235, 19949887, 59163705, 59849661, 99749435, 179548983, 299248305, 458847401, 897744915, 1376542203, 2294237005, 4129626609, 6882711015, 20648133045]

約数ペア:

[(1, 20648133045), (3, 6882711015), (5, 4129626609), (9, 2294237005), (15, 1376542203), (23, 897744915), (45, 458847401), (69, 299248305), (115, 179548983), (207, 99749435), (345, 59849661), (349, 59163705), (1035, 19949887), (1047, 19721235), (1745, 11832741), (3141, 6573745), (5235, 3944247), (8027, 2572335), (15705, 1314749), (24081, 857445), (40135, 514467), (57163, 361215), (72243, 285815), (120405, 171489)]