20120803072

素因数分解:

$2^8\times {\mathrm{101}}^1\times {\mathrm{778187}}^1$

素因数の和:778304

約数の個数: 36

約数和(自身を含む): 40560714936

約数和(自身を除く): 20439911864

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 202, 256, 404, 808, 1616, 3232, 6464, 12928, 25856, 778187, 1556374, 3112748, 6225496, 12450992, 24901984, 49803968, 78596887, 99607936, 157193774, 199215872, 314387548, 628775096, 1257550192, 2515100384, 5030200768, 10060401536, 20120803072]

約数ペア:

[(1, 20120803072), (2, 10060401536), (4, 5030200768), (8, 2515100384), (16, 1257550192), (32, 628775096), (64, 314387548), (101, 199215872), (128, 157193774), (202, 99607936), (256, 78596887), (404, 49803968), (808, 24901984), (1616, 12450992), (3232, 6225496), (6464, 3112748), (12928, 1556374), (25856, 778187)]