20122272

素因数分解:

$2^5\times 3^2\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:766

約数の個数: 72

約数和(自身を含む): 57837780

約数和(自身を除く): 37715508

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 109, 144, 218, 288, 327, 436, 641, 654, 872, 981, 1282, 1308, 1744, 1923, 1962, 2564, 2616, 3488, 3846, 3924, 5128, 5232, 5769, 7692, 7848, 10256, 10464, 11538, 15384, 15696, 20512, 23076, 30768, 31392, 46152, 61536, 69869, 92304, 139738, 184608, 209607, 279476, 419214, 558952, 628821, 838428, 1117904, 1257642, 1676856, 2235808, 2515284, 3353712, 5030568, 6707424, 10061136, 20122272]

約数ペア:

[(1, 20122272), (2, 10061136), (3, 6707424), (4, 5030568), (6, 3353712), (8, 2515284), (9, 2235808), (12, 1676856), (16, 1257642), (18, 1117904), (24, 838428), (32, 628821), (36, 558952), (48, 419214), (72, 279476), (96, 209607), (109, 184608), (144, 139738), (218, 92304), (288, 69869), (327, 61536), (436, 46152), (641, 31392), (654, 30768), (872, 23076), (981, 20512), (1282, 15696), (1308, 15384), (1744, 11538), (1923, 10464), (1962, 10256), (2564, 7848), (2616, 7692), (3488, 5769), (3846, 5232), (3924, 5128)]