20193350391

素因数分解:

$3^2\times {\mathrm{47}}^2\times {\mathrm{61}}^1\times {\mathrm{16651}}^1$

素因数の和:16812

約数の個数: 36

約数和(自身を含む): 30292352584

約数和(自身を除く): 10099002193

約数列:

[1, 3, 9, 47, 61, 141, 183, 423, 549, 2209, 2867, 6627, 8601, 16651, 19881, 25803, 49953, 134749, 149859, 404247, 782597, 1015711, 1212741, 2347791, 3047133, 7043373, 9141399, 36782059, 47738417, 110346177, 143215251, 331038531, 429645753, 2243705599, 6731116797, 20193350391]

約数ペア:

[(1, 20193350391), (3, 6731116797), (9, 2243705599), (47, 429645753), (61, 331038531), (141, 143215251), (183, 110346177), (423, 47738417), (549, 36782059), (2209, 9141399), (2867, 7043373), (6627, 3047133), (8601, 2347791), (16651, 1212741), (19881, 1015711), (25803, 782597), (49953, 404247), (134749, 149859)]