20057410

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 37122624

約数和(自身を除く): 17065214

約数列:

[1, 2, 5, 10, 61, 122, 131, 251, 262, 305, 502, 610, 655, 1255, 1310, 2510, 7991, 15311, 15982, 30622, 32881, 39955, 65762, 76555, 79910, 153110, 164405, 328810, 2005741, 4011482, 10028705, 20057410]

約数ペア:

[(1, 20057410), (2, 10028705), (5, 4011482), (10, 2005741), (61, 328810), (122, 164405), (131, 153110), (251, 79910), (262, 76555), (305, 65762), (502, 39955), (610, 32881), (655, 30622), (1255, 15982), (1310, 15311), (2510, 7991)]