20330896

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{547}}^1$

素因数の和:679

約数の個数: 40

約数和(自身を含む): 41586624

約数和(自身を除く): 21255728

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 101, 184, 202, 368, 404, 547, 808, 1094, 1616, 2188, 2323, 4376, 4646, 8752, 9292, 12581, 18584, 25162, 37168, 50324, 55247, 100648, 110494, 201296, 220988, 441976, 883952, 1270681, 2541362, 5082724, 10165448, 20330896]

約数ペア:

[(1, 20330896), (2, 10165448), (4, 5082724), (8, 2541362), (16, 1270681), (23, 883952), (46, 441976), (92, 220988), (101, 201296), (184, 110494), (202, 100648), (368, 55247), (404, 50324), (547, 37168), (808, 25162), (1094, 18584), (1616, 12581), (2188, 9292), (2323, 8752), (4376, 4646)]