20165155216

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{54799}}^1$

素因数の和:55127

約数の個数: 40

約数和(自身を含む): 39616016000

約数和(自身を除く): 19450860784

約数列:

[1, 2, 4, 8, 16, 109, 211, 218, 422, 436, 844, 872, 1688, 1744, 3376, 22999, 45998, 54799, 91996, 109598, 183992, 219196, 367984, 438392, 876784, 5973091, 11562589, 11946182, 23125178, 23892364, 46250356, 47784728, 92500712, 95569456, 185001424, 1260322201, 2520644402, 5041288804, 10082577608, 20165155216]

約数ペア:

[(1, 20165155216), (2, 10082577608), (4, 5041288804), (8, 2520644402), (16, 1260322201), (109, 185001424), (211, 95569456), (218, 92500712), (422, 47784728), (436, 46250356), (844, 23892364), (872, 23125178), (1688, 11946182), (1744, 11562589), (3376, 5973091), (22999, 876784), (45998, 438392), (54799, 367984), (91996, 219196), (109598, 183992)]