20280551333

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{433}}^1\times {\mathrm{1301}}^1$

素因数の和:1917

約数の個数: 32

約数和(自身を含む): 24049294080

約数和(自身を除く): 3768742747

約数列:

[1, 7, 37, 139, 259, 433, 973, 1301, 3031, 5143, 9107, 16021, 36001, 48137, 60187, 112147, 180839, 336959, 421309, 563333, 1265873, 2226919, 3943331, 6691043, 15588433, 20843321, 46837301, 78303287, 145903247, 548123009, 2897221619, 20280551333]

約数ペア:

[(1, 20280551333), (7, 2897221619), (37, 548123009), (139, 145903247), (259, 78303287), (433, 46837301), (973, 20843321), (1301, 15588433), (3031, 6691043), (5143, 3943331), (9107, 2226919), (16021, 1265873), (36001, 563333), (48137, 421309), (60187, 336959), (112147, 180839)]