20192975425

素因数分解:

$5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{16477}}^1$

素因数の和:16690

約数の個数: 48

約数和(自身を含む): 29423116800

約数和(自身を除く): 9230141375

約数列:

[1, 5, 7, 25, 35, 47, 149, 175, 235, 329, 745, 1043, 1175, 1645, 3725, 5215, 7003, 8225, 16477, 26075, 35015, 49021, 82385, 115339, 175075, 245105, 411925, 576695, 774419, 1225525, 2455073, 2883475, 3872095, 5420933, 12275365, 17185511, 19360475, 27104665, 61376825, 85927555, 115388431, 135523325, 429637775, 576942155, 807719017, 2884710775, 4038595085, 20192975425]

約数ペア:

[(1, 20192975425), (5, 4038595085), (7, 2884710775), (25, 807719017), (35, 576942155), (47, 429637775), (149, 135523325), (175, 115388431), (235, 85927555), (329, 61376825), (745, 27104665), (1043, 19360475), (1175, 17185511), (1645, 12275365), (3725, 5420933), (5215, 3872095), (7003, 2883475), (8225, 2455073), (16477, 1225525), (26075, 774419), (35015, 576695), (49021, 411925), (82385, 245105), (115339, 175075)]