20349804916

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2250089}}^1$

素因数の和:2250136

約数の個数: 48

約数和(自身を含む): 45361814400

約数和(自身を除く): 25012009484

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 238, 266, 323, 476, 532, 646, 1292, 2261, 4522, 9044, 2250089, 4500178, 9000356, 15750623, 31501246, 38251513, 42751691, 63002492, 76503026, 85503382, 153006052, 171006764, 267760591, 299261837, 535521182, 598523674, 726778747, 1071042364, 1197047348, 1453557494, 2907114988, 5087451229, 10174902458, 20349804916]

約数ペア:

[(1, 20349804916), (2, 10174902458), (4, 5087451229), (7, 2907114988), (14, 1453557494), (17, 1197047348), (19, 1071042364), (28, 726778747), (34, 598523674), (38, 535521182), (68, 299261837), (76, 267760591), (119, 171006764), (133, 153006052), (238, 85503382), (266, 76503026), (323, 63002492), (476, 42751691), (532, 38251513), (646, 31501246), (1292, 15750623), (2261, 9000356), (4522, 4500178), (9044, 2250089)]