20562594

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 25886046

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 71, 78, 79, 94, 141, 142, 158, 213, 237, 282, 426, 474, 611, 923, 1027, 1222, 1833, 1846, 2054, 2769, 3081, 3337, 3666, 3713, 5538, 5609, 6162, 6674, 7426, 10011, 11139, 11218, 16827, 20022, 22278, 33654, 43381, 48269, 72917, 86762, 96538, 130143, 144807, 145834, 218751, 260286, 263623, 289614, 437502, 527246, 790869, 1581738, 3427099, 6854198, 10281297, 20562594]

約数ペア:

[(1, 20562594), (2, 10281297), (3, 6854198), (6, 3427099), (13, 1581738), (26, 790869), (39, 527246), (47, 437502), (71, 289614), (78, 263623), (79, 260286), (94, 218751), (141, 145834), (142, 144807), (158, 130143), (213, 96538), (237, 86762), (282, 72917), (426, 48269), (474, 43381), (611, 33654), (923, 22278), (1027, 20022), (1222, 16827), (1833, 11218), (1846, 11139), (2054, 10011), (2769, 7426), (3081, 6674), (3337, 6162), (3666, 5609), (3713, 5538)]