20155904055

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1254647}}^1$

素因数の和:1254685

約数の個数: 64

約数和(自身を含む): 43360634880

約数和(自身を除く): 23204730825

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 85, 105, 119, 135, 153, 189, 255, 315, 357, 459, 595, 765, 945, 1071, 1785, 2295, 3213, 5355, 16065, 1254647, 3763941, 6273235, 8782529, 11291823, 18819705, 21328999, 26347587, 33875469, 43912645, 56459115, 63986997, 79042761, 106644995, 131737935, 149302993, 169377345, 191960991, 237128283, 319934985, 395213805, 447908979, 575882973, 746514965, 959804955, 1185641415, 1343726937, 2239544895, 2879414865, 4031180811, 6718634685, 20155904055]

約数ペア:

[(1, 20155904055), (3, 6718634685), (5, 4031180811), (7, 2879414865), (9, 2239544895), (15, 1343726937), (17, 1185641415), (21, 959804955), (27, 746514965), (35, 575882973), (45, 447908979), (51, 395213805), (63, 319934985), (85, 237128283), (105, 191960991), (119, 169377345), (135, 149302993), (153, 131737935), (189, 106644995), (255, 79042761), (315, 63986997), (357, 56459115), (459, 43912645), (595, 33875469), (765, 26347587), (945, 21328999), (1071, 18819705), (1785, 11291823), (2295, 8782529), (3213, 6273235), (5355, 3763941), (16065, 1254647)]