20215214966

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1\times {\mathrm{479}}^1\times {\mathrm{1031}}^1$

素因数の和:1820

約数の個数: 32

約数和(自身を含む): 30874798080

約数和(自身を除く): 10659583114

約数列:

[1, 2, 97, 194, 211, 422, 479, 958, 1031, 2062, 20467, 40934, 46463, 92926, 100007, 101069, 200014, 202138, 217541, 435082, 493849, 987698, 9803693, 19607386, 21101477, 42202954, 47903353, 95806706, 104202139, 208404278, 10107607483, 20215214966]

約数ペア:

[(1, 20215214966), (2, 10107607483), (97, 208404278), (194, 104202139), (211, 95806706), (422, 47903353), (479, 42202954), (958, 21101477), (1031, 19607386), (2062, 9803693), (20467, 987698), (40934, 493849), (46463, 435082), (92926, 217541), (100007, 202138), (101069, 200014)]