20571954

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2719}}^1$

素因数の和:2834

約数の個数: 32

約数和(自身を含む): 44782080

約数和(自身を除く): 24210126

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 97, 194, 291, 582, 1261, 2522, 2719, 3783, 5438, 7566, 8157, 16314, 35347, 70694, 106041, 212082, 263743, 527486, 791229, 1582458, 3428659, 6857318, 10285977, 20571954]

約数ペア:

[(1, 20571954), (2, 10285977), (3, 6857318), (6, 3428659), (13, 1582458), (26, 791229), (39, 527486), (78, 263743), (97, 212082), (194, 106041), (291, 70694), (582, 35347), (1261, 16314), (2522, 8157), (2719, 7566), (3783, 5438)]