20161488

素因数分解:

$2^4\times 3^1\times {\mathrm{149}}^1\times {\mathrm{2819}}^1$

素因数の和:2979

約数の個数: 40

約数和(自身を含む): 52452000

約数和(自身を除く): 32290512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 149, 298, 447, 596, 894, 1192, 1788, 2384, 2819, 3576, 5638, 7152, 8457, 11276, 16914, 22552, 33828, 45104, 67656, 135312, 420031, 840062, 1260093, 1680124, 2520186, 3360248, 5040372, 6720496, 10080744, 20161488]

約数ペア:

[(1, 20161488), (2, 10080744), (3, 6720496), (4, 5040372), (6, 3360248), (8, 2520186), (12, 1680124), (16, 1260093), (24, 840062), (48, 420031), (149, 135312), (298, 67656), (447, 45104), (596, 33828), (894, 22552), (1192, 16914), (1788, 11276), (2384, 8457), (2819, 7152), (3576, 5638)]