20736898

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 40018104

約数和(自身を除く): 19281206

約数列:

[1, 2, 7, 13, 14, 26, 41, 49, 82, 91, 98, 182, 287, 397, 533, 574, 637, 794, 1066, 1274, 2009, 2779, 3731, 4018, 5161, 5558, 7462, 10322, 16277, 19453, 26117, 32554, 36127, 38906, 52234, 72254, 113939, 211601, 227878, 252889, 423202, 505778, 797573, 1481207, 1595146, 2962414, 10368449, 20736898]

約数ペア:

[(1, 20736898), (2, 10368449), (7, 2962414), (13, 1595146), (14, 1481207), (26, 797573), (41, 505778), (49, 423202), (82, 252889), (91, 227878), (98, 211601), (182, 113939), (287, 72254), (397, 52234), (533, 38906), (574, 36127), (637, 32554), (794, 26117), (1066, 19453), (1274, 16277), (2009, 10322), (2779, 7462), (3731, 5558), (4018, 5161)]