20120595615

素因数分解:

$3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{720007}}^1$

素因数の和:720050

約数の個数: 48

約数和(自身を含む): 37739939328

約数和(自身を除く): 17619343713

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 243, 345, 405, 621, 1035, 1215, 1863, 3105, 5589, 9315, 27945, 720007, 2160021, 3600035, 6480063, 10800105, 16560161, 19440189, 32400315, 49680483, 58320567, 82800805, 97200945, 149041449, 174961701, 248402415, 291602835, 447124347, 745207245, 874808505, 1341373041, 2235621735, 4024119123, 6706865205, 20120595615]

約数ペア:

[(1, 20120595615), (3, 6706865205), (5, 4024119123), (9, 2235621735), (15, 1341373041), (23, 874808505), (27, 745207245), (45, 447124347), (69, 291602835), (81, 248402415), (115, 174961701), (135, 149041449), (207, 97200945), (243, 82800805), (345, 58320567), (405, 49680483), (621, 32400315), (1035, 19440189), (1215, 16560161), (1863, 10800105), (3105, 6480063), (5589, 3600035), (9315, 2160021), (27945, 720007)]