20587792

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67723}}^1$

素因数の和:67750

約数の個数: 20

約数和(自身を含む): 41988880

約数和(自身を除く): 21401088

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 67723, 135446, 270892, 541784, 1083568, 1286737, 2573474, 5146948, 10293896, 20587792]

約数ペア:

[(1, 20587792), (2, 10293896), (4, 5146948), (8, 2573474), (16, 1286737), (19, 1083568), (38, 541784), (76, 270892), (152, 135446), (304, 67723)]