20565545091

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{881}}^1\times {\mathrm{2311}}^1$

素因数の和:3252

約数の個数: 64

約数和(自身を含む): 34715068416

約数和(自身を除く): 14149523325

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 881, 1443, 2311, 2643, 3367, 6167, 6933, 10101, 11453, 16177, 18501, 30043, 32597, 34359, 48531, 80171, 85507, 90129, 97791, 210301, 228179, 240513, 256521, 423761, 598549, 630903, 684537, 1111591, 1271283, 1795647, 2035991, 2966327, 3334773, 6107973, 7781137, 8898981, 14251937, 23343411, 26467883, 42755811, 75331667, 79403649, 185275181, 225995001, 527321669, 555825543, 979311671, 1581965007, 2937935013, 6855181697, 20565545091]

約数ペア:

[(1, 20565545091), (3, 6855181697), (7, 2937935013), (13, 1581965007), (21, 979311671), (37, 555825543), (39, 527321669), (91, 225995001), (111, 185275181), (259, 79403649), (273, 75331667), (481, 42755811), (777, 26467883), (881, 23343411), (1443, 14251937), (2311, 8898981), (2643, 7781137), (3367, 6107973), (6167, 3334773), (6933, 2966327), (10101, 2035991), (11453, 1795647), (16177, 1271283), (18501, 1111591), (30043, 684537), (32597, 630903), (34359, 598549), (48531, 423761), (80171, 256521), (85507, 240513), (90129, 228179), (97791, 210301)]