20039460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47713}}^1$

素因数の和:47732

約数の個数: 48

約数和(自身を含む): 64127616

約数和(自身を除く): 44088156

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 47713, 95426, 143139, 190852, 238565, 286278, 333991, 477130, 572556, 667982, 715695, 954260, 1001973, 1335964, 1431390, 1669955, 2003946, 2862780, 3339910, 4007892, 5009865, 6679820, 10019730, 20039460]

約数ペア:

[(1, 20039460), (2, 10019730), (3, 6679820), (4, 5009865), (5, 4007892), (6, 3339910), (7, 2862780), (10, 2003946), (12, 1669955), (14, 1431390), (15, 1335964), (20, 1001973), (21, 954260), (28, 715695), (30, 667982), (35, 572556), (42, 477130), (60, 333991), (70, 286278), (84, 238565), (105, 190852), (140, 143139), (210, 95426), (420, 47713)]