20247001840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{274201}}^1$

素因数の和:274298

約数の個数: 80

約数和(自身を含む): 51409584576

約数和(自身を除く): 31162582736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 208, 260, 284, 355, 520, 568, 710, 923, 1040, 1136, 1420, 1846, 2840, 3692, 4615, 5680, 7384, 9230, 14768, 18460, 36920, 73840, 274201, 548402, 1096804, 1371005, 2193608, 2742010, 3564613, 4387216, 5484020, 7129226, 10968040, 14258452, 17823065, 19468271, 21936080, 28516904, 35646130, 38936542, 57033808, 71292260, 77873084, 97341355, 142584520, 155746168, 194682710, 253087523, 285169040, 311492336, 389365420, 506175046, 778730840, 1012350092, 1265437615, 1557461680, 2024700184, 2530875230, 4049400368, 5061750460, 10123500920, 20247001840]

約数ペア:

[(1, 20247001840), (2, 10123500920), (4, 5061750460), (5, 4049400368), (8, 2530875230), (10, 2024700184), (13, 1557461680), (16, 1265437615), (20, 1012350092), (26, 778730840), (40, 506175046), (52, 389365420), (65, 311492336), (71, 285169040), (80, 253087523), (104, 194682710), (130, 155746168), (142, 142584520), (208, 97341355), (260, 77873084), (284, 71292260), (355, 57033808), (520, 38936542), (568, 35646130), (710, 28516904), (923, 21936080), (1040, 19468271), (1136, 17823065), (1420, 14258452), (1846, 10968040), (2840, 7129226), (3692, 5484020), (4615, 4387216), (5680, 3564613), (7384, 2742010), (9230, 2193608), (14768, 1371005), (18460, 1096804), (36920, 548402), (73840, 274201)]