201678020

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{47791}}^1$

素因数の和:48011

約数の個数: 24

約数和(自身を含む): 425539968

約数和(自身を除く): 223861948

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 47791, 95582, 191164, 238955, 477910, 955820, 10083901, 20167802, 40335604, 50419505, 100839010, 201678020]

約数ペア:

[(1, 201678020), (2, 100839010), (4, 50419505), (5, 40335604), (10, 20167802), (20, 10083901), (211, 955820), (422, 477910), (844, 238955), (1055, 191164), (2110, 95582), (4220, 47791)]