20143081724

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{660949}}^1$

素因数の和:661373

約数の個数: 24

約数和(自身を含む): 37198266000

約数和(自身を除く): 17055184276

約数列:

[1, 2, 4, 19, 38, 76, 401, 802, 1604, 7619, 15238, 30476, 660949, 1321898, 2643796, 12558031, 25116062, 50232124, 265040549, 530081098, 1060162196, 5035770431, 10071540862, 20143081724]

約数ペア:

[(1, 20143081724), (2, 10071540862), (4, 5035770431), (19, 1060162196), (38, 530081098), (76, 265040549), (401, 50232124), (802, 25116062), (1604, 12558031), (7619, 2643796), (15238, 1321898), (30476, 660949)]