20128496672

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{2579}}^1\times {\mathrm{14347}}^1$

素因数の和:16953

約数の個数: 48

約数和(自身を含む): 41978230560

約数和(自身を除く): 21849733888

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 2579, 5158, 10316, 14347, 20632, 28694, 41264, 43843, 57388, 82528, 87686, 114776, 175372, 229552, 243899, 350744, 459104, 487798, 701488, 975596, 1402976, 1951192, 3902384, 7804768, 37000913, 74001826, 148003652, 296007304, 592014608, 629015521, 1184029216, 1258031042, 2516062084, 5032124168, 10064248336, 20128496672]

約数ペア:

[(1, 20128496672), (2, 10064248336), (4, 5032124168), (8, 2516062084), (16, 1258031042), (17, 1184029216), (32, 629015521), (34, 592014608), (68, 296007304), (136, 148003652), (272, 74001826), (544, 37000913), (2579, 7804768), (5158, 3902384), (10316, 1951192), (14347, 1402976), (20632, 975596), (28694, 701488), (41264, 487798), (43843, 459104), (57388, 350744), (82528, 243899), (87686, 229552), (114776, 175372)]