20121482624

素因数分解:

$2^7\times {\mathrm{131}}^1\times {\mathrm{1199993}}^1$

素因数の和:1200138

約数の個数: 32

約数和(自身を含む): 40391798040

約数和(自身を除く): 20270315416

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 262, 524, 1048, 2096, 4192, 8384, 16768, 1199993, 2399986, 4799972, 9599944, 19199888, 38399776, 76799552, 153599104, 157199083, 314398166, 628796332, 1257592664, 2515185328, 5030370656, 10060741312, 20121482624]

約数ペア:

[(1, 20121482624), (2, 10060741312), (4, 5030370656), (8, 2515185328), (16, 1257592664), (32, 628796332), (64, 314398166), (128, 157199083), (131, 153599104), (262, 76799552), (524, 38399776), (1048, 19199888), (2096, 9599944), (4192, 4799972), (8384, 2399986), (16768, 1199993)]