20081605280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1037273}}^1$

素因数の和:1037310

約数の個数: 72

約数和(自身を含む): 52147913076

約数和(自身を除く): 32066307796

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3872, 4840, 9680, 19360, 1037273, 2074546, 4149092, 5186365, 8298184, 10372730, 11410003, 16596368, 20745460, 22820006, 33192736, 41490920, 45640012, 57050015, 82981840, 91280024, 114100030, 125510033, 165963680, 182560048, 228200060, 251020066, 365120096, 456400120, 502040132, 627550165, 912800240, 1004080264, 1255100330, 1825600480, 2008160528, 2510200660, 4016321056, 5020401320, 10040802640, 20081605280]

約数ペア:

[(1, 20081605280), (2, 10040802640), (4, 5020401320), (5, 4016321056), (8, 2510200660), (10, 2008160528), (11, 1825600480), (16, 1255100330), (20, 1004080264), (22, 912800240), (32, 627550165), (40, 502040132), (44, 456400120), (55, 365120096), (80, 251020066), (88, 228200060), (110, 182560048), (121, 165963680), (160, 125510033), (176, 114100030), (220, 91280024), (242, 82981840), (352, 57050015), (440, 45640012), (484, 41490920), (605, 33192736), (880, 22820006), (968, 20745460), (1210, 16596368), (1760, 11410003), (1936, 10372730), (2420, 8298184), (3872, 5186365), (4840, 4149092), (9680, 2074546), (19360, 1037273)]