20908588

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2671}}^1$

素因数の和:2797

約数の個数: 24

約数和(自身を含む): 38904320

約数和(自身を除く): 17995732

約数列:

[1, 2, 4, 19, 38, 76, 103, 206, 412, 1957, 2671, 3914, 5342, 7828, 10684, 50749, 101498, 202996, 275113, 550226, 1100452, 5227147, 10454294, 20908588]

約数ペア:

[(1, 20908588), (2, 10454294), (4, 5227147), (19, 1100452), (38, 550226), (76, 275113), (103, 202996), (206, 101498), (412, 50749), (1957, 10684), (2671, 7828), (3914, 5342)]