20125955325

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2255009}}^1$

素因数の和:2255046

約数の個数: 48

約数和(自身を含む): 40265458560

約数和(自身を除く): 20139503235

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 175, 255, 357, 425, 525, 595, 1275, 1785, 2975, 8925, 2255009, 6765027, 11275045, 15785063, 33825135, 38335153, 47355189, 56375225, 78925315, 115005459, 169125675, 191675765, 236775945, 268346071, 394626575, 575027295, 805038213, 958378825, 1183879725, 1341730355, 2875136475, 4025191065, 6708651775, 20125955325]

約数ペア:

[(1, 20125955325), (3, 6708651775), (5, 4025191065), (7, 2875136475), (15, 1341730355), (17, 1183879725), (21, 958378825), (25, 805038213), (35, 575027295), (51, 394626575), (75, 268346071), (85, 236775945), (105, 191675765), (119, 169125675), (175, 115005459), (255, 78925315), (357, 56375225), (425, 47355189), (525, 38335153), (595, 33825135), (1275, 15785063), (1785, 11275045), (2975, 6765027), (8925, 2255009)]