20191360

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{4507}}^1$

素因数の和:4533

約数の個数: 64

約数和(自身を含む): 55177920

約数和(自身を除く): 34986560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 4507, 9014, 18028, 22535, 31549, 36056, 45070, 63098, 72112, 90140, 126196, 144224, 157745, 180280, 252392, 288448, 315490, 360560, 504784, 576896, 630980, 721120, 1009568, 1261960, 1442240, 2019136, 2523920, 2884480, 4038272, 5047840, 10095680, 20191360]

約数ペア:

[(1, 20191360), (2, 10095680), (4, 5047840), (5, 4038272), (7, 2884480), (8, 2523920), (10, 2019136), (14, 1442240), (16, 1261960), (20, 1009568), (28, 721120), (32, 630980), (35, 576896), (40, 504784), (56, 360560), (64, 315490), (70, 288448), (80, 252392), (112, 180280), (128, 157745), (140, 144224), (160, 126196), (224, 90140), (280, 72112), (320, 63098), (448, 45070), (560, 36056), (640, 31549), (896, 22535), (1120, 18028), (2240, 9014), (4480, 4507)]