20104389725

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{983}}^1\times {\mathrm{6151}}^1$

素因数の和:7170

約数の個数: 48

約数和(自身を含む): 30025697280

約数和(自身を除く): 9921307555

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 983, 3325, 4915, 6151, 6881, 18677, 24575, 30755, 34405, 43057, 93385, 116869, 130739, 153775, 172025, 215285, 466925, 584345, 653695, 818083, 1076425, 2921725, 3268475, 4090415, 6046433, 20452075, 30232165, 42325031, 114882227, 151160825, 211625155, 574411135, 804175589, 1058125775, 2872055675, 4020877945, 20104389725]

約数ペア:

[(1, 20104389725), (5, 4020877945), (7, 2872055675), (19, 1058125775), (25, 804175589), (35, 574411135), (95, 211625155), (133, 151160825), (175, 114882227), (475, 42325031), (665, 30232165), (983, 20452075), (3325, 6046433), (4915, 4090415), (6151, 3268475), (6881, 2921725), (18677, 1076425), (24575, 818083), (30755, 653695), (34405, 584345), (43057, 466925), (93385, 215285), (116869, 172025), (130739, 153775)]