20237272

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 23308328

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 71, 79, 82, 88, 142, 158, 164, 284, 316, 328, 451, 568, 632, 781, 869, 902, 1562, 1738, 1804, 2911, 3124, 3239, 3476, 3608, 5609, 5822, 6248, 6478, 6952, 11218, 11644, 12956, 22436, 23288, 25912, 32021, 35629, 44872, 61699, 64042, 71258, 123398, 128084, 142516, 229969, 246796, 256168, 285032, 459938, 493592, 919876, 1839752, 2529659, 5059318, 10118636, 20237272]

約数ペア:

[(1, 20237272), (2, 10118636), (4, 5059318), (8, 2529659), (11, 1839752), (22, 919876), (41, 493592), (44, 459938), (71, 285032), (79, 256168), (82, 246796), (88, 229969), (142, 142516), (158, 128084), (164, 123398), (284, 71258), (316, 64042), (328, 61699), (451, 44872), (568, 35629), (632, 32021), (781, 25912), (869, 23288), (902, 22436), (1562, 12956), (1738, 11644), (1804, 11218), (2911, 6952), (3124, 6478), (3239, 6248), (3476, 5822), (3608, 5609)]