20354240

素因数分解:

$2^6\times 5^1\times {\mathrm{63607}}^1$

素因数の和:63624

約数の個数: 28

約数和(自身を含む): 48469296

約数和(自身を除く): 28115056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 63607, 127214, 254428, 318035, 508856, 636070, 1017712, 1272140, 2035424, 2544280, 4070848, 5088560, 10177120, 20354240]

約数ペア:

[(1, 20354240), (2, 10177120), (4, 5088560), (5, 4070848), (8, 2544280), (10, 2035424), (16, 1272140), (20, 1017712), (32, 636070), (40, 508856), (64, 318035), (80, 254428), (160, 127214), (320, 63607)]