20945372

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39371}}^1$

素因数の和:39401

約数の個数: 24

約数和(自身を含む): 44096640

約数和(自身を除く): 23151268

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 39371, 78742, 157484, 275597, 551194, 748049, 1102388, 1496098, 2992196, 5236343, 10472686, 20945372]

約数ペア:

[(1, 20945372), (2, 10472686), (4, 5236343), (7, 2992196), (14, 1496098), (19, 1102388), (28, 748049), (38, 551194), (76, 275597), (133, 157484), (266, 78742), (532, 39371)]