20668480

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9227}}^1$

素因数の和:9251

約数の個数: 56

約数和(自身を含む): 56253888

約数和(自身を除く): 35585408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9227, 18454, 36908, 46135, 64589, 73816, 92270, 129178, 147632, 184540, 258356, 295264, 322945, 369080, 516712, 590528, 645890, 738160, 1033424, 1291780, 1476320, 2066848, 2583560, 2952640, 4133696, 5167120, 10334240, 20668480]

約数ペア:

[(1, 20668480), (2, 10334240), (4, 5167120), (5, 4133696), (7, 2952640), (8, 2583560), (10, 2066848), (14, 1476320), (16, 1291780), (20, 1033424), (28, 738160), (32, 645890), (35, 590528), (40, 516712), (56, 369080), (64, 322945), (70, 295264), (80, 258356), (112, 184540), (140, 147632), (160, 129178), (224, 92270), (280, 73816), (320, 64589), (448, 46135), (560, 36908), (1120, 18454), (2240, 9227)]