20565715408

素因数分解:

$2^4\times 7^1\times {\mathrm{5209}}^1\times {\mathrm{35251}}^1$

素因数の和:40475

約数の個数: 40

約数和(自身を含む): 45548404160

約数和(自身を除く): 24982688752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 5209, 10418, 20836, 35251, 36463, 41672, 70502, 72926, 83344, 141004, 145852, 246757, 282008, 291704, 493514, 564016, 583408, 987028, 1974056, 3948112, 183622459, 367244918, 734489836, 1285357213, 1468979672, 2570714426, 2937959344, 5141428852, 10282857704, 20565715408]

約数ペア:

[(1, 20565715408), (2, 10282857704), (4, 5141428852), (7, 2937959344), (8, 2570714426), (14, 1468979672), (16, 1285357213), (28, 734489836), (56, 367244918), (112, 183622459), (5209, 3948112), (10418, 1974056), (20836, 987028), (35251, 583408), (36463, 564016), (41672, 493514), (70502, 291704), (72926, 282008), (83344, 246757), (141004, 145852)]