20778855525

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{14423}}^1$

素因数の和:14795

約数の個数: 72

約数和(自身を含む): 39295014720

約数和(自身を除く): 18516159195

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 337, 475, 855, 1011, 1425, 1685, 3033, 4275, 5055, 6403, 8425, 14423, 15165, 19209, 25275, 32015, 43269, 57627, 72115, 75825, 96045, 129807, 160075, 216345, 274037, 288135, 360575, 480225, 649035, 822111, 1081725, 1370185, 1440675, 2466333, 3245175, 4110555, 4860551, 6850925, 12331665, 14581653, 20552775, 24302755, 43744959, 61658325, 72908265, 92350469, 121513775, 218724795, 277051407, 364541325, 461752345, 831154221, 1093623975, 1385257035, 2308761725, 4155771105, 6926285175, 20778855525]

約数ペア:

[(1, 20778855525), (3, 6926285175), (5, 4155771105), (9, 2308761725), (15, 1385257035), (19, 1093623975), (25, 831154221), (45, 461752345), (57, 364541325), (75, 277051407), (95, 218724795), (171, 121513775), (225, 92350469), (285, 72908265), (337, 61658325), (475, 43744959), (855, 24302755), (1011, 20552775), (1425, 14581653), (1685, 12331665), (3033, 6850925), (4275, 4860551), (5055, 4110555), (6403, 3245175), (8425, 2466333), (14423, 1440675), (15165, 1370185), (19209, 1081725), (25275, 822111), (32015, 649035), (43269, 480225), (57627, 360575), (72115, 288135), (75825, 274037), (96045, 216345), (129807, 160075)]