20347979888

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{2579}}^1\times {\mathrm{15907}}^1$

素因数の和:18525

約数の個数: 40

約数和(自身を含む): 40714298880

約数和(自身を除く): 20366318992

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 2579, 5158, 10316, 15907, 20632, 31814, 41264, 63628, 79949, 127256, 159898, 254512, 319796, 493117, 639592, 986234, 1279184, 1972468, 3944936, 7889872, 41024153, 82048306, 164096612, 328193224, 656386448, 1271748743, 2543497486, 5086994972, 10173989944, 20347979888]

約数ペア:

[(1, 20347979888), (2, 10173989944), (4, 5086994972), (8, 2543497486), (16, 1271748743), (31, 656386448), (62, 328193224), (124, 164096612), (248, 82048306), (496, 41024153), (2579, 7889872), (5158, 3944936), (10316, 1972468), (15907, 1279184), (20632, 986234), (31814, 639592), (41264, 493117), (63628, 319796), (79949, 254512), (127256, 159898)]