20165754945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{991}}^1\times {\mathrm{193799}}^1$

素因数の和:194805

約数の個数: 32

約数和(自身を含む): 36911923200

約数和(自身を除く): 16746168255

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 991, 2973, 4955, 6937, 14865, 20811, 34685, 104055, 193799, 581397, 968995, 1356593, 2906985, 4069779, 6782965, 20348895, 192054809, 576164427, 960274045, 1344383663, 2880822135, 4033150989, 6721918315, 20165754945]

約数ペア:

[(1, 20165754945), (3, 6721918315), (5, 4033150989), (7, 2880822135), (15, 1344383663), (21, 960274045), (35, 576164427), (105, 192054809), (991, 20348895), (2973, 6782965), (4955, 4069779), (6937, 2906985), (14865, 1356593), (20811, 968995), (34685, 581397), (104055, 193799)]