20199498032

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1429}}^1\times {\mathrm{2069}}^1$

素因数の和:3574

約数の個数: 80

約数和(自身を含む): 45514497600

約数和(自身を除く): 25314999568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1429, 1708, 2069, 2858, 3416, 4138, 5716, 6832, 8276, 10003, 11432, 14483, 16552, 20006, 22864, 28966, 33104, 40012, 57932, 80024, 87169, 115864, 126209, 160048, 174338, 231728, 252418, 348676, 504836, 610183, 697352, 883463, 1009672, 1220366, 1394704, 1766926, 2019344, 2440732, 2956601, 3533852, 4881464, 5913202, 7067704, 9762928, 11826404, 14135408, 20696207, 23652808, 41392414, 47305616, 82784828, 165569656, 180352661, 331139312, 360705322, 721410644, 1262468627, 1442821288, 2524937254, 2885642576, 5049874508, 10099749016, 20199498032]

約数ペア:

[(1, 20199498032), (2, 10099749016), (4, 5049874508), (7, 2885642576), (8, 2524937254), (14, 1442821288), (16, 1262468627), (28, 721410644), (56, 360705322), (61, 331139312), (112, 180352661), (122, 165569656), (244, 82784828), (427, 47305616), (488, 41392414), (854, 23652808), (976, 20696207), (1429, 14135408), (1708, 11826404), (2069, 9762928), (2858, 7067704), (3416, 5913202), (4138, 4881464), (5716, 3533852), (6832, 2956601), (8276, 2440732), (10003, 2019344), (11432, 1766926), (14483, 1394704), (16552, 1220366), (20006, 1009672), (22864, 883463), (28966, 697352), (33104, 610183), (40012, 504836), (57932, 348676), (80024, 252418), (87169, 231728), (115864, 174338), (126209, 160048)]