20639424

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{8269}}^1$

素因数の和:8297

約数の個数: 56

約数和(自身を含む): 58816240

約数和(自身を除く): 38176816

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 192, 208, 312, 416, 624, 832, 1248, 2496, 8269, 16538, 24807, 33076, 49614, 66152, 99228, 107497, 132304, 198456, 214994, 264608, 322491, 396912, 429988, 529216, 644982, 793824, 859976, 1289964, 1587648, 1719952, 2579928, 3439904, 5159856, 6879808, 10319712, 20639424]

約数ペア:

[(1, 20639424), (2, 10319712), (3, 6879808), (4, 5159856), (6, 3439904), (8, 2579928), (12, 1719952), (13, 1587648), (16, 1289964), (24, 859976), (26, 793824), (32, 644982), (39, 529216), (48, 429988), (52, 396912), (64, 322491), (78, 264608), (96, 214994), (104, 198456), (156, 132304), (192, 107497), (208, 99228), (312, 66152), (416, 49614), (624, 33076), (832, 24807), (1248, 16538), (2496, 8269)]