20346316725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2039731}}^1$

素因数の和:2039770

約数の個数: 48

約数和(自身を含む): 40468282880

約数和(自身を除く): 20121966155

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1995, 3325, 9975, 2039731, 6119193, 10198655, 14278117, 30595965, 38754889, 42834351, 50993275, 71390585, 116264667, 152979825, 193774445, 214171755, 271284223, 356952925, 581323335, 813852669, 968872225, 1070858775, 1356421115, 2906616675, 4069263345, 6782105575, 20346316725]

約数ペア:

[(1, 20346316725), (3, 6782105575), (5, 4069263345), (7, 2906616675), (15, 1356421115), (19, 1070858775), (21, 968872225), (25, 813852669), (35, 581323335), (57, 356952925), (75, 271284223), (95, 214171755), (105, 193774445), (133, 152979825), (175, 116264667), (285, 71390585), (399, 50993275), (475, 42834351), (525, 38754889), (665, 30595965), (1425, 14278117), (1995, 10198655), (3325, 6119193), (9975, 2039731)]