20162647520

素因数分解:

$2^5\times 5^1\times {\mathrm{269}}^1\times {\mathrm{468463}}^1$

素因数の和:468747

約数の個数: 48

約数和(自身を含む): 47811435840

約数和(自身を除く): 27648788320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 269, 538, 1076, 1345, 2152, 2690, 4304, 5380, 8608, 10760, 21520, 43040, 468463, 936926, 1873852, 2342315, 3747704, 4684630, 7495408, 9369260, 14990816, 18738520, 37477040, 74954080, 126016547, 252033094, 504066188, 630082735, 1008132376, 1260165470, 2016264752, 2520330940, 4032529504, 5040661880, 10081323760, 20162647520]

約数ペア:

[(1, 20162647520), (2, 10081323760), (4, 5040661880), (5, 4032529504), (8, 2520330940), (10, 2016264752), (16, 1260165470), (20, 1008132376), (32, 630082735), (40, 504066188), (80, 252033094), (160, 126016547), (269, 74954080), (538, 37477040), (1076, 18738520), (1345, 14990816), (2152, 9369260), (2690, 7495408), (4304, 4684630), (5380, 3747704), (8608, 2342315), (10760, 1873852), (21520, 936926), (43040, 468463)]